Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 15/20 and 35/8

1st number: 15/20, 2nd number: 4 3/8

15/20 + 35/8 is 41/8.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 8 is 40

    Next, find the equivalent fraction of both fractional numbers with denominator 40
  2. For the 1st fraction, since 20 × 2 = 40,
    15/20 = 15 × 2/20 × 2 = 30/40
  3. Likewise, for the 2nd fraction, since 8 × 5 = 40,
    35/8 = 35 × 5/8 × 5 = 175/40
  4. Add the two like fractions:
    30/40 + 175/40 = 30 + 175/40 = 205/40
  5. 205/40 simplified gives 41/8
  6. So, 15/20 + 35/8 = 41/8
    In mixed form: 51/8

MathStep (Works offline)

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

Related:

© everydaycalculation.com