Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Subtract fractions

Subtract 40/49 from 42/2

1st number: 21 0/2, 2nd number: 40/49

42/2 - 40/49 is 989/49.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 49 is 98
  2. For the 1st fraction, since 2 × 49 = 98,
    42/2 = 42 × 49/2 × 49 = 2058/98
  3. Likewise, for the 2nd fraction, since 49 × 2 = 98,
    40/49 = 40 × 2/49 × 2 = 80/98
  4. Subtract the two fractions:
    2058/98 - 80/98 = 2058 - 80/98 = 1978/98
  5. After reducing the fraction, the answer is 989/49
  6. In mixed form: 209/49

MathStep (Works offline)

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

Related:

© everydaycalculation.com