Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Subtract fractions

Subtract 8/70 from 96/90

1st number: 1 6/90, 2nd number: 8/70

96/90 - 8/70 is 20/21.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 70 is 630
  2. For the 1st fraction, since 90 × 7 = 630,
    96/90 = 96 × 7/90 × 7 = 672/630
  3. Likewise, for the 2nd fraction, since 70 × 9 = 630,
    8/70 = 8 × 9/70 × 9 = 72/630
  4. Subtract the two fractions:
    672/630 - 72/630 = 672 - 72/630 = 600/630
  5. After reducing the fraction, the answer is 20/21

MathStep (Works offline)

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

Related:

© everydaycalculation.com