Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 36/30 and 15/40

1st number: 1 6/30, 2nd number: 15/40

36/30 + 15/40 is 63/40.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 40 is 120

    Next, find the equivalent fraction of both fractional numbers with denominator 120
  2. For the 1st fraction, since 30 × 4 = 120,
    36/30 = 36 × 4/30 × 4 = 144/120
  3. Likewise, for the 2nd fraction, since 40 × 3 = 120,
    15/40 = 15 × 3/40 × 3 = 45/120
  4. Add the two like fractions:
    144/120 + 45/120 = 144 + 45/120 = 189/120
  5. 189/120 simplified gives 63/40
  6. So, 36/30 + 15/40 = 63/40
    In mixed form: 123/40

MathStep (Works offline)

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

Related:

© everydaycalculation.com