Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Subtract fractions

Subtract 7/32 from 7/21

7/21 - 7/32 is 11/96.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 32 is 672
  2. For the 1st fraction, since 21 × 32 = 672,
    7/21 = 7 × 32/21 × 32 = 224/672
  3. Likewise, for the 2nd fraction, since 32 × 21 = 672,
    7/32 = 7 × 21/32 × 21 = 147/672
  4. Subtract the two fractions:
    224/672 - 147/672 = 224 - 147/672 = 77/672
  5. After reducing the fraction, the answer is 11/96

MathStep (Works offline)

Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad

Related:

© everydaycalculation.com