Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 12/7 and 63/27

1st number: 1 5/7, 2nd number: 2 9/27

12/7 + 63/27 is 85/21.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 7 and 27 is 189
  2. For the 1st fraction, since 7 × 27 = 189,
    12/7 = 12 × 27/7 × 27 = 324/189
  3. Likewise, for the 2nd fraction, since 27 × 7 = 189,
    63/27 = 63 × 7/27 × 7 = 441/189
  4. Add the two fractions:
    324/189 + 441/189 = 324 + 441/189 = 765/189
  5. 765/189 simplified gives 85/21
  6. So, 12/7 + 63/27 = 85/21
    In mixed form: 41/21

MathStep (Works offline)

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

Related:

© everydaycalculation.com