Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Add fractions

Add 42/15 and 70/30

1st number: 2 12/15, 2nd number: 2 10/30

42/15 + 70/30 is 77/15.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 30 is 30
  2. For the 1st fraction, since 15 × 2 = 30,
    42/15 = 42 × 2/15 × 2 = 84/30
  3. Likewise, for the 2nd fraction, since 30 × 1 = 30,
    70/30 = 70 × 1/30 × 1 = 70/30
  4. Add the two fractions:
    84/30 + 70/30 = 84 + 70/30 = 154/30
  5. After reducing the fraction, the answer is 77/15
  6. In mixed form: 52/15

MathStep (Works offline)

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

Related:

© everydaycalculation.com