Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 9/7 and 90/54

1st number: 1 2/7, 2nd number: 1 36/54

9/7 + 90/54 is 62/21.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 378
  2. For the 1st fraction, since 7 × 54 = 378,
    9/7 = 9 × 54/7 × 54 = 486/378
  3. Likewise, for the 2nd fraction, since 54 × 7 = 378,
    90/54 = 90 × 7/54 × 7 = 630/378
  4. Add the two like fractions:
    486/378 + 630/378 = 486 + 630/378 = 1116/378
  5. 1116/378 simplified gives 62/21
  6. So, 9/7 + 90/54 = 62/21
    In mixed form: 220/21

MathStep (Works offline)

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

Related:

© everydaycalculation.com