Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 15/70 from 40/32

1st number: 1 8/32, 2nd number: 15/70

40/32 - 15/70 is 29/28.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 32 and 70 is 1120

    Next, find the equivalent fraction of both fractional numbers with denominator 1120
  2. For the 1st fraction, since 32 × 35 = 1120,
    40/32 = 40 × 35/32 × 35 = 1400/1120
  3. Likewise, for the 2nd fraction, since 70 × 16 = 1120,
    15/70 = 15 × 16/70 × 16 = 240/1120
  4. Subtract the two like fractions:
    1400/1120 - 240/1120 = 1400 - 240/1120 = 1160/1120
  5. After reducing the fraction, the answer is 29/28
  6. In mixed form: 11/28

MathStep (Works offline)

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

Related:

© everydaycalculation.com