Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 70/15 and 81/56

1st number: 4 10/15, 2nd number: 1 25/56

70/15 + 81/56 is 1027/168.

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,
    70/15 = 70 × 56/15 × 56 = 3920/840
  3. Likewise, for the 2nd fraction, since 56 × 15 = 840,
    81/56 = 81 × 15/56 × 15 = 1215/840
  4. Add the two like fractions:
    3920/840 + 1215/840 = 3920 + 1215/840 = 5135/840
  5. 5135/840 simplified gives 1027/168
  6. So, 70/15 + 81/56 = 1027/168
    In mixed form: 619/168

MathStep (Works offline)

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

Related:

© everydaycalculation.com