Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 90/10 and 21/36

1st number: 9 0/10, 2nd number: 21/36

90/10 + 21/36 is 115/12.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 36 is 180

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 10 × 18 = 180,
    90/10 = 90 × 18/10 × 18 = 1620/180
  3. Likewise, for the 2nd fraction, since 36 × 5 = 180,
    21/36 = 21 × 5/36 × 5 = 105/180
  4. Add the two like fractions:
    1620/180 + 105/180 = 1620 + 105/180 = 1725/180
  5. 1725/180 simplified gives 115/12
  6. So, 90/10 + 21/36 = 115/12
    In mixed form: 97/12

MathStep (Works offline)

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

Related:

© everydaycalculation.com