Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Add fractions

Add 24/7 and 42/20

1st number: 3 3/7, 2nd number: 2 2/20

24/7 + 42/20 is 387/70.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 7 and 20 is 140
  2. For the 1st fraction, since 7 × 20 = 140,
    24/7 = 24 × 20/7 × 20 = 480/140
  3. Likewise, for the 2nd fraction, since 20 × 7 = 140,
    42/20 = 42 × 7/20 × 7 = 294/140
  4. Add the two fractions:
    480/140 + 294/140 = 480 + 294/140 = 774/140
  5. After reducing the fraction, the answer is 387/70
  6. In mixed form: 537/70

MathStep (Works offline)

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

Related:

© everydaycalculation.com