Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 9/3 and 15/7

1st number: 3 0/3, 2nd number: 2 1/7

9/3 + 15/7 is 36/7.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 3 and 7 is 21
  2. For the 1st fraction, since 3 × 7 = 21,
    9/3 = 9 × 7/3 × 7 = 63/21
  3. Likewise, for the 2nd fraction, since 7 × 3 = 21,
    15/7 = 15 × 3/7 × 3 = 45/21
  4. Add the two fractions:
    63/21 + 45/21 = 63 + 45/21 = 108/21
  5. 108/21 simplified gives 36/7
  6. So, 9/3 + 15/7 = 36/7
    In mixed form: 51/7

MathStep (Works offline)

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

Related:

© everydaycalculation.com