Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 45/36 and 81/8

1st number: 1 9/36, 2nd number: 10 1/8

45/36 + 81/8 is 91/8.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 36 and 8 is 72

    Next, find the equivalent fraction of both fractional numbers with denominator 72
  2. For the 1st fraction, since 36 × 2 = 72,
    45/36 = 45 × 2/36 × 2 = 90/72
  3. Likewise, for the 2nd fraction, since 8 × 9 = 72,
    81/8 = 81 × 9/8 × 9 = 729/72
  4. Add the two like fractions:
    90/72 + 729/72 = 90 + 729/72 = 819/72
  5. 819/72 simplified gives 91/8
  6. So, 45/36 + 81/8 = 91/8
    In mixed form: 113/8

MathStep (Works offline)

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

Related:

© everydaycalculation.com