Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 5/20 from 70/7

1st number: 10 0/7, 2nd number: 5/20

70/7 - 5/20 is 39/4.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 7 and 20 is 140

    Next, find the equivalent fraction of both fractional numbers with denominator 140
  2. For the 1st fraction, since 7 × 20 = 140,
    70/7 = 70 × 20/7 × 20 = 1400/140
  3. Likewise, for the 2nd fraction, since 20 × 7 = 140,
    5/20 = 5 × 7/20 × 7 = 35/140
  4. Subtract the two like fractions:
    1400/140 - 35/140 = 1400 - 35/140 = 1365/140
  5. After reducing the fraction, the answer is 39/4
  6. In mixed form: 93/4

MathStep (Works offline)

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

Related:

© everydaycalculation.com