Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 7/12 and 18/40

7/12 + 18/40 is 31/30.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 40 is 120

    Next, find the equivalent fraction of both fractional numbers with denominator 120
  2. For the 1st fraction, since 12 × 10 = 120,
    7/12 = 7 × 10/12 × 10 = 70/120
  3. Likewise, for the 2nd fraction, since 40 × 3 = 120,
    18/40 = 18 × 3/40 × 3 = 54/120
  4. Add the two like fractions:
    70/120 + 54/120 = 70 + 54/120 = 124/120
  5. 124/120 simplified gives 31/30
  6. So, 7/12 + 18/40 = 31/30
    In mixed form: 11/30

MathStep (Works offline)

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

Related:

© everydaycalculation.com