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what is 1 3/4 cups doubled

what is 1 3/4 cups doubled

2 min read 23-12-2024
what is 1 3/4 cups doubled

So, you're cooking and your recipe calls for 1 ¾ cups of an ingredient, but you need to double the recipe. What's 1 ¾ cups doubled? Don't worry, doubling fractions might seem tricky, but it's easier than you think! This guide will show you how to easily double 1 ¾ cups and other fractional measurements.

Understanding Fractions

Before we tackle doubling 1 ¾ cups, let's quickly review fractions. A fraction represents a part of a whole. The number on top (numerator) represents the parts you have, and the number on the bottom (denominator) represents the total number of parts in the whole. In the fraction ¾, the numerator is 3 and the denominator is 4, meaning you have 3 out of 4 equal parts.

Method 1: Converting to an Improper Fraction

This method is great for those who feel more comfortable working with improper fractions (where the numerator is larger than the denominator).

Step 1: Convert the mixed number to an improper fraction.

A mixed number (like 1 ¾) combines a whole number and a fraction. To convert 1 ¾ to an improper fraction:

  • Multiply the whole number (1) by the denominator (4): 1 x 4 = 4
  • Add the numerator (3): 4 + 3 = 7
  • Keep the same denominator (4): The improper fraction is 7/4.

Step 2: Double the improper fraction.

Doubling a fraction simply means multiplying it by 2:

  • (7/4) x 2 = 14/4

Step 3: Simplify the fraction (if necessary).

The fraction 14/4 can be simplified. Both the numerator and denominator are divisible by 2:

  • 14 ÷ 2 = 7
  • 4 ÷ 2 = 2

So, 14/4 simplifies to 7/2.

Step 4: Convert back to a mixed number (optional).

While 7/2 is perfectly acceptable, you might prefer a mixed number. To convert 7/2 to a mixed number:

  • Divide the numerator (7) by the denominator (2): 7 ÷ 2 = 3 with a remainder of 1
  • The whole number is 3, and the remainder (1) becomes the new numerator: 3 ½

Therefore, 1 ¾ cups doubled is 3 ½ cups.

Method 2: Doubling the Whole Number and Fraction Separately

This method is more intuitive for some people.

Step 1: Double the whole number.

Double the whole number part of the mixed number (1): 1 x 2 = 2

Step 2: Double the fraction.

Double the fractional part (¾): (3/4) x 2 = 6/4

Step 3: Simplify the doubled fraction.

Simplify 6/4 by dividing both the numerator and the denominator by their greatest common divisor (2): 6/4 = 3/2

Step 4: Combine the doubled whole number and simplified fraction.

Combine the doubled whole number (2) and the simplified fraction (3/2): 2 + 3/2 = 2 + 1 ½ = 3 ½

Again, we find that 1 ¾ cups doubled is 3 ½ cups.

How to Double Other Fractional Measurements

The same principles apply to doubling any fractional measurement, whether it's cups, teaspoons, or tablespoons. Simply convert the mixed number to an improper fraction, double it, simplify if needed, and convert back to a mixed number if desired.

Conclusion

Doubling 1 ¾ cups results in 3 ½ cups. Whether you use the improper fraction method or the separate doubling method, the result remains the same. Remember to practice these steps, and you'll be a pro at doubling fractions in no time! Now go forth and confidently double your recipes!

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