Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Add fractions

Add 30/15 and 20/7

1st number: 2 0/15, 2nd number: 2 6/7

30/15 + 20/7 is 34/7.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 7 is 105
  2. For the 1st fraction, since 15 × 7 = 105,
    30/15 = 30 × 7/15 × 7 = 210/105
  3. Likewise, for the 2nd fraction, since 7 × 15 = 105,
    20/7 = 20 × 15/7 × 15 = 300/105
  4. Add the two fractions:
    210/105 + 300/105 = 210 + 300/105 = 510/105
  5. After reducing the fraction, the answer is 34/7
  6. In mixed form: 46/7

MathStep (Works offline)

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

Related:

© everydaycalculation.com