Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Add fractions

Add 21/15 and 10/30

1st number: 1 6/15, 2nd number: 10/30

21/15 + 10/30 is 26/15.

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,
    21/15 = 21 × 2/15 × 2 = 42/30
  3. Likewise, for the 2nd fraction, since 30 × 1 = 30,
    10/30 = 10 × 1/30 × 1 = 10/30
  4. Add the two fractions:
    42/30 + 10/30 = 42 + 10/30 = 52/30
  5. After reducing the fraction, the answer is 26/15
  6. In mixed form: 111/15

MathStep (Works offline)

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

Related:

© everydaycalculation.com