Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 70/16 from 42/5

1st number: 8 2/5, 2nd number: 4 6/16

42/5 - 70/16 is 161/40.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 5 and 16 is 80

    Next, find the equivalent fraction of both fractional numbers with denominator 80
  2. For the 1st fraction, since 5 × 16 = 80,
    42/5 = 42 × 16/5 × 16 = 672/80
  3. Likewise, for the 2nd fraction, since 16 × 5 = 80,
    70/16 = 70 × 5/16 × 5 = 350/80
  4. Subtract the two like fractions:
    672/80 - 350/80 = 672 - 350/80 = 322/80
  5. After reducing the fraction, the answer is 161/40
  6. In mixed form: 41/40

MathStep (Works offline)

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

Related:

© everydaycalculation.com