Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 25/30 from 70/49

1st number: 1 21/49, 2nd number: 25/30

70/49 - 25/30 is 25/42.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 49 and 30 is 1470

    Next, find the equivalent fraction of both fractional numbers with denominator 1470
  2. For the 1st fraction, since 49 × 30 = 1470,
    70/49 = 70 × 30/49 × 30 = 2100/1470
  3. Likewise, for the 2nd fraction, since 30 × 49 = 1470,
    25/30 = 25 × 49/30 × 49 = 1225/1470
  4. Subtract the two like fractions:
    2100/1470 - 1225/1470 = 2100 - 1225/1470 = 875/1470
  5. After reducing the fraction, the answer is 25/42

MathStep (Works offline)

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

Related:

© everydaycalculation.com