Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 42/8 and 18/27

1st number: 5 2/8, 2nd number: 18/27

42/8 + 18/27 is 71/12.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 8 and 27 is 216

    Next, find the equivalent fraction of both fractional numbers with denominator 216
  2. For the 1st fraction, since 8 × 27 = 216,
    42/8 = 42 × 27/8 × 27 = 1134/216
  3. Likewise, for the 2nd fraction, since 27 × 8 = 216,
    18/27 = 18 × 8/27 × 8 = 144/216
  4. Add the two like fractions:
    1134/216 + 144/216 = 1134 + 144/216 = 1278/216
  5. 1278/216 simplified gives 71/12
  6. So, 42/8 + 18/27 = 71/12
    In mixed form: 511/12

MathStep (Works offline)

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

Related:

© everydaycalculation.com