Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Add fractions

Add 36/20 and 42/28

1st number: 1 16/20, 2nd number: 1 14/28

36/20 + 42/28 is 33/10.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 28 is 140
  2. For the 1st fraction, since 20 × 7 = 140,
    36/20 = 36 × 7/20 × 7 = 252/140
  3. Likewise, for the 2nd fraction, since 28 × 5 = 140,
    42/28 = 42 × 5/28 × 5 = 210/140
  4. Add the two fractions:
    252/140 + 210/140 = 252 + 210/140 = 462/140
  5. After reducing the fraction, the answer is 33/10
  6. In mixed form: 33/10

MathStep (Works offline)

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

Related:

© everydaycalculation.com