Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Subtract fractions

Subtract 60/70 from 40/15

1st number: 2 10/15, 2nd number: 60/70

40/15 - 60/70 is 38/21.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 70 is 210
  2. For the 1st fraction, since 15 × 14 = 210,
    40/15 = 40 × 14/15 × 14 = 560/210
  3. Likewise, for the 2nd fraction, since 70 × 3 = 210,
    60/70 = 60 × 3/70 × 3 = 180/210
  4. Subtract the two fractions:
    560/210 - 180/210 = 560 - 180/210 = 380/210
  5. After reducing the fraction, the answer is 38/21
  6. In mixed form: 117/21

MathStep (Works offline)

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

Related:

© everydaycalculation.com