Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 2/8 and 81/7

1st number: 2/8, 2nd number: 11 4/7

2/8 + 81/7 is 331/28.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 8 and 7 is 56

    Next, find the equivalent fraction of both fractional numbers with denominator 56
  2. For the 1st fraction, since 8 × 7 = 56,
    2/8 = 2 × 7/8 × 7 = 14/56
  3. Likewise, for the 2nd fraction, since 7 × 8 = 56,
    81/7 = 81 × 8/7 × 8 = 648/56
  4. Add the two like fractions:
    14/56 + 648/56 = 14 + 648/56 = 662/56
  5. 662/56 simplified gives 331/28
  6. So, 2/8 + 81/7 = 331/28
    In mixed form: 1123/28

MathStep (Works offline)

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

Related:

© everydaycalculation.com