Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 36/40 and 15/84

36/40 + 15/84 is 151/140.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 84 is 840

    Next, find the equivalent fraction of both fractional numbers with denominator 840
  2. For the 1st fraction, since 40 × 21 = 840,
    36/40 = 36 × 21/40 × 21 = 756/840
  3. Likewise, for the 2nd fraction, since 84 × 10 = 840,
    15/84 = 15 × 10/84 × 10 = 150/840
  4. Add the two like fractions:
    756/840 + 150/840 = 756 + 150/840 = 906/840
  5. 906/840 simplified gives 151/140
  6. So, 36/40 + 15/84 = 151/140
    In mixed form: 111/140

MathStep (Works offline)

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

Related:

© everydaycalculation.com