Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 40/7 and 56/81

1st number: 5 5/7, 2nd number: 56/81

40/7 + 56/81 is 3632/567.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 7 and 81 is 567

    Next, find the equivalent fraction of both fractional numbers with denominator 567
  2. For the 1st fraction, since 7 × 81 = 567,
    40/7 = 40 × 81/7 × 81 = 3240/567
  3. Likewise, for the 2nd fraction, since 81 × 7 = 567,
    56/81 = 56 × 7/81 × 7 = 392/567
  4. Add the two like fractions:
    3240/567 + 392/567 = 3240 + 392/567 = 3632/567
  5. So, 40/7 + 56/81 = 3632/567
    In mixed form: 6230/567

MathStep (Works offline)

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

Related:

© everydaycalculation.com