Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 40/42 from 70/5

1st number: 14 0/5, 2nd number: 40/42

70/5 - 40/42 is 274/21.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 5 and 42 is 210

    Next, find the equivalent fraction of both fractional numbers with denominator 210
  2. For the 1st fraction, since 5 × 42 = 210,
    70/5 = 70 × 42/5 × 42 = 2940/210
  3. Likewise, for the 2nd fraction, since 42 × 5 = 210,
    40/42 = 40 × 5/42 × 5 = 200/210
  4. Subtract the two like fractions:
    2940/210 - 200/210 = 2940 - 200/210 = 2740/210
  5. After reducing the fraction, the answer is 274/21
  6. In mixed form: 131/21

MathStep (Works offline)

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

Related:

© everydaycalculation.com