Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 20/80 from 70/32

1st number: 2 6/32, 2nd number: 20/80

70/32 - 20/80 is 31/16.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 32 and 80 is 160

    Next, find the equivalent fraction of both fractional numbers with denominator 160
  2. For the 1st fraction, since 32 × 5 = 160,
    70/32 = 70 × 5/32 × 5 = 350/160
  3. Likewise, for the 2nd fraction, since 80 × 2 = 160,
    20/80 = 20 × 2/80 × 2 = 40/160
  4. Subtract the two like fractions:
    350/160 - 40/160 = 350 - 40/160 = 310/160
  5. After reducing the fraction, the answer is 31/16
  6. In mixed form: 115/16

MathStep (Works offline)

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

Related:

© everydaycalculation.com