Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 63/12 and 21/10

1st number: 5 3/12, 2nd number: 2 1/10

63/12 + 21/10 is 147/20.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 10 is 60

    Next, find the equivalent fraction of both fractional numbers with denominator 60
  2. For the 1st fraction, since 12 × 5 = 60,
    63/12 = 63 × 5/12 × 5 = 315/60
  3. Likewise, for the 2nd fraction, since 10 × 6 = 60,
    21/10 = 21 × 6/10 × 6 = 126/60
  4. Add the two like fractions:
    315/60 + 126/60 = 315 + 126/60 = 441/60
  5. 441/60 simplified gives 147/20
  6. So, 63/12 + 21/10 = 147/20
    In mixed form: 77/20

MathStep (Works offline)

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

Related:

© everydaycalculation.com