Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Subtract fractions

Subtract 84/20 from 4/70

1st number: 4/70, 2nd number: 4 4/20

4/70 - 84/20 is -29/7.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 20 is 140
  2. For the 1st fraction, since 70 × 2 = 140,
    4/70 = 4 × 2/70 × 2 = 8/140
  3. Likewise, for the 2nd fraction, since 20 × 7 = 140,
    84/20 = 84 × 7/20 × 7 = 588/140
  4. Subtract the two fractions:
    8/140 - 588/140 = 8 - 588/140 = -580/140
  5. After reducing the fraction, the answer is -29/7

MathStep (Works offline)

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

Related:

© everydaycalculation.com