Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 28/15 and 63/7

1st number: 1 13/15, 2nd number: 9 0/7

28/15 + 63/7 is 163/15.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 7 is 105

    Next, find the equivalent fraction of both fractional numbers with denominator 105
  2. For the 1st fraction, since 15 × 7 = 105,
    28/15 = 28 × 7/15 × 7 = 196/105
  3. Likewise, for the 2nd fraction, since 7 × 15 = 105,
    63/7 = 63 × 15/7 × 15 = 945/105
  4. Add the two like fractions:
    196/105 + 945/105 = 196 + 945/105 = 1141/105
  5. 1141/105 simplified gives 163/15
  6. So, 28/15 + 63/7 = 163/15
    In mixed form: 1013/15

MathStep (Works offline)

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

Related:

© everydaycalculation.com