Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 8/10 from 9/7

1st number: 1 2/7, 2nd number: 8/10

9/7 - 8/10 is 17/35.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 7 and 10 is 70
  2. For the 1st fraction, since 7 × 10 = 70,
    9/7 = 9 × 10/7 × 10 = 90/70
  3. Likewise, for the 2nd fraction, since 10 × 7 = 70,
    8/10 = 8 × 7/10 × 7 = 56/70
  4. Subtract the two fractions:
    90/70 - 56/70 = 90 - 56/70 = 34/70
  5. After reducing the fraction, the answer is 17/35

MathStep (Works offline)

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

Related:

© everydaycalculation.com