Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 21/8 and 5/36

1st number: 2 5/8, 2nd number: 5/36

21/8 + 5/36 is 199/72.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 8 and 36 is 72

    Next, find the equivalent fraction of both fractional numbers with denominator 72
  2. For the 1st fraction, since 8 × 9 = 72,
    21/8 = 21 × 9/8 × 9 = 189/72
  3. Likewise, for the 2nd fraction, since 36 × 2 = 72,
    5/36 = 5 × 2/36 × 2 = 10/72
  4. Add the two like fractions:
    189/72 + 10/72 = 189 + 10/72 = 199/72
  5. So, 21/8 + 5/36 = 199/72
    In mixed form: 255/72

MathStep (Works offline)

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

Related:

© everydaycalculation.com