Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 7/5 from 9/8

1st number: 1 1/8, 2nd number: 1 2/5

9/8 - 7/5 is -11/40.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 8 and 5 is 40

    Next, find the equivalent fraction of both fractional numbers with denominator 40
  2. For the 1st fraction, since 8 × 5 = 40,
    9/8 = 9 × 5/8 × 5 = 45/40
  3. Likewise, for the 2nd fraction, since 5 × 8 = 40,
    7/5 = 7 × 8/5 × 8 = 56/40
  4. Subtract the two like fractions:
    45/40 - 56/40 = 45 - 56/40 = -11/40

MathStep (Works offline)

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

Related:

© everydaycalculation.com