Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 18/27 and 5/7

18/27 + 5/7 is 29/21.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 189
  2. For the 1st fraction, since 27 × 7 = 189,
    18/27 = 18 × 7/27 × 7 = 126/189
  3. Likewise, for the 2nd fraction, since 7 × 27 = 189,
    5/7 = 5 × 27/7 × 27 = 135/189
  4. Add the two like fractions:
    126/189 + 135/189 = 126 + 135/189 = 261/189
  5. 261/189 simplified gives 29/21
  6. So, 18/27 + 5/7 = 29/21
    In mixed form: 18/21

MathStep (Works offline)

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

Related:

© everydaycalculation.com