Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 20/16 from 20/70

1st number: 20/70, 2nd number: 1 4/16

20/70 - 20/16 is -27/28.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 16 is 560
  2. For the 1st fraction, since 70 × 8 = 560,
    20/70 = 20 × 8/70 × 8 = 160/560
  3. Likewise, for the 2nd fraction, since 16 × 35 = 560,
    20/16 = 20 × 35/16 × 35 = 700/560
  4. Subtract the two fractions:
    160/560 - 700/560 = 160 - 700/560 = -540/560
  5. After reducing the fraction, the answer is -27/28

MathStep (Works offline)

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

Related:

© everydaycalculation.com