Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 45/54 and 8/7

1st number: 45/54, 2nd number: 1 1/7

45/54 + 8/7 is 83/42.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 54 and 7 is 378

    Next, find the equivalent fraction of both fractional numbers with denominator 378
  2. For the 1st fraction, since 54 × 7 = 378,
    45/54 = 45 × 7/54 × 7 = 315/378
  3. Likewise, for the 2nd fraction, since 7 × 54 = 378,
    8/7 = 8 × 54/7 × 54 = 432/378
  4. Add the two like fractions:
    315/378 + 432/378 = 315 + 432/378 = 747/378
  5. 747/378 simplified gives 83/42
  6. So, 45/54 + 8/7 = 83/42
    In mixed form: 141/42

MathStep (Works offline)

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

Related:

© everydaycalculation.com