Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 49/8 from 80/84

1st number: 80/84, 2nd number: 6 1/8

80/84 - 49/8 is -869/168.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 84 and 8 is 168
  2. For the 1st fraction, since 84 × 2 = 168,
    80/84 = 80 × 2/84 × 2 = 160/168
  3. Likewise, for the 2nd fraction, since 8 × 21 = 168,
    49/8 = 49 × 21/8 × 21 = 1029/168
  4. Subtract the two fractions:
    160/168 - 1029/168 = 160 - 1029/168 = -869/168

MathStep (Works offline)

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

Related:

© everydaycalculation.com