Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 21/15 and 48/56

1st number: 1 6/15, 2nd number: 48/56

21/15 + 48/56 is 79/35.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 56 is 840

    Next, find the equivalent fraction of both fractional numbers with denominator 840
  2. For the 1st fraction, since 15 × 56 = 840,
    21/15 = 21 × 56/15 × 56 = 1176/840
  3. Likewise, for the 2nd fraction, since 56 × 15 = 840,
    48/56 = 48 × 15/56 × 15 = 720/840
  4. Add the two like fractions:
    1176/840 + 720/840 = 1176 + 720/840 = 1896/840
  5. 1896/840 simplified gives 79/35
  6. So, 21/15 + 48/56 = 79/35
    In mixed form: 29/35

MathStep (Works offline)

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

Related:

© everydaycalculation.com