Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 63/12 and 28/40

1st number: 5 3/12, 2nd number: 28/40

63/12 + 28/40 is 119/20.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 40 is 120

    Next, find the equivalent fraction of both fractional numbers with denominator 120
  2. For the 1st fraction, since 12 × 10 = 120,
    63/12 = 63 × 10/12 × 10 = 630/120
  3. Likewise, for the 2nd fraction, since 40 × 3 = 120,
    28/40 = 28 × 3/40 × 3 = 84/120
  4. Add the two like fractions:
    630/120 + 84/120 = 630 + 84/120 = 714/120
  5. 714/120 simplified gives 119/20
  6. So, 63/12 + 28/40 = 119/20
    In mixed form: 519/20

MathStep (Works offline)

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

Related:

© everydaycalculation.com