Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 70/75 and 42/36

1st number: 70/75, 2nd number: 1 6/36

70/75 + 42/36 is 21/10.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 75 and 36 is 900

    Next, find the equivalent fraction of both fractional numbers with denominator 900
  2. For the 1st fraction, since 75 × 12 = 900,
    70/75 = 70 × 12/75 × 12 = 840/900
  3. Likewise, for the 2nd fraction, since 36 × 25 = 900,
    42/36 = 42 × 25/36 × 25 = 1050/900
  4. Add the two like fractions:
    840/900 + 1050/900 = 840 + 1050/900 = 1890/900
  5. 1890/900 simplified gives 21/10
  6. So, 70/75 + 42/36 = 21/10
    In mixed form: 21/10

MathStep (Works offline)

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

Related:

© everydaycalculation.com