Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 25/20 from 10/7

1st number: 1 3/7, 2nd number: 1 5/20

10/7 - 25/20 is 5/28.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 7 and 20 is 140
  2. For the 1st fraction, since 7 × 20 = 140,
    10/7 = 10 × 20/7 × 20 = 200/140
  3. Likewise, for the 2nd fraction, since 20 × 7 = 140,
    25/20 = 25 × 7/20 × 7 = 175/140
  4. Subtract the two fractions:
    200/140 - 175/140 = 200 - 175/140 = 25/140
  5. After reducing the fraction, the answer is 5/28

MathStep (Works offline)

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

Related:

© everydaycalculation.com