Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 8/7 and 45/81

1st number: 1 1/7, 2nd number: 45/81

8/7 + 45/81 is 107/63.

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,
    8/7 = 8 × 81/7 × 81 = 648/567
  3. Likewise, for the 2nd fraction, since 81 × 7 = 567,
    45/81 = 45 × 7/81 × 7 = 315/567
  4. Add the two like fractions:
    648/567 + 315/567 = 648 + 315/567 = 963/567
  5. 963/567 simplified gives 107/63
  6. So, 8/7 + 45/81 = 107/63
    In mixed form: 144/63

MathStep (Works offline)

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

Related:

© everydaycalculation.com