Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 42/27 and 7/5

1st number: 1 15/27, 2nd number: 1 2/5

42/27 + 7/5 is 133/45.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 27 and 5 is 135

    Next, find the equivalent fraction of both fractional numbers with denominator 135
  2. For the 1st fraction, since 27 × 5 = 135,
    42/27 = 42 × 5/27 × 5 = 210/135
  3. Likewise, for the 2nd fraction, since 5 × 27 = 135,
    7/5 = 7 × 27/5 × 27 = 189/135
  4. Add the two like fractions:
    210/135 + 189/135 = 210 + 189/135 = 399/135
  5. 399/135 simplified gives 133/45
  6. So, 42/27 + 7/5 = 133/45
    In mixed form: 243/45

MathStep (Works offline)

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

Related:

© everydaycalculation.com