Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 72/7 and 30/27

1st number: 10 2/7, 2nd number: 1 3/27

72/7 + 30/27 is 718/63.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 7 and 27 is 189

    Next, find the equivalent fraction of both fractional numbers with denominator 189
  2. For the 1st fraction, since 7 × 27 = 189,
    72/7 = 72 × 27/7 × 27 = 1944/189
  3. Likewise, for the 2nd fraction, since 27 × 7 = 189,
    30/27 = 30 × 7/27 × 7 = 210/189
  4. Add the two like fractions:
    1944/189 + 210/189 = 1944 + 210/189 = 2154/189
  5. 2154/189 simplified gives 718/63
  6. So, 72/7 + 30/27 = 718/63
    In mixed form: 1125/63

MathStep (Works offline)

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

Related:

© everydaycalculation.com