Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 60/63 and 21/12

1st number: 60/63, 2nd number: 1 9/12

60/63 + 21/12 is 227/84.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 63 and 12 is 252

    Next, find the equivalent fraction of both fractional numbers with denominator 252
  2. For the 1st fraction, since 63 × 4 = 252,
    60/63 = 60 × 4/63 × 4 = 240/252
  3. Likewise, for the 2nd fraction, since 12 × 21 = 252,
    21/12 = 21 × 21/12 × 21 = 441/252
  4. Add the two like fractions:
    240/252 + 441/252 = 240 + 441/252 = 681/252
  5. 681/252 simplified gives 227/84
  6. So, 60/63 + 21/12 = 227/84
    In mixed form: 259/84

MathStep (Works offline)

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

Related:

© everydaycalculation.com