Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 7/27 and 21/15

1st number: 7/27, 2nd number: 1 6/15

7/27 + 21/15 is 224/135.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 27 and 15 is 135

    Next, find the equivalent fraction of both fractional numbers with denominator 135
  2. For the 1st fraction, since 27 × 5 = 135,
    7/27 = 7 × 5/27 × 5 = 35/135
  3. Likewise, for the 2nd fraction, since 15 × 9 = 135,
    21/15 = 21 × 9/15 × 9 = 189/135
  4. Add the two like fractions:
    35/135 + 189/135 = 35 + 189/135 = 224/135
  5. So, 7/27 + 21/15 = 224/135
    In mixed form: 189/135

MathStep (Works offline)

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

Related:

© everydaycalculation.com