Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 40/12 and 90/8

1st number: 3 4/12, 2nd number: 11 2/8

40/12 + 90/8 is 175/12.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 8 is 24

    Next, find the equivalent fraction of both fractional numbers with denominator 24
  2. For the 1st fraction, since 12 × 2 = 24,
    40/12 = 40 × 2/12 × 2 = 80/24
  3. Likewise, for the 2nd fraction, since 8 × 3 = 24,
    90/8 = 90 × 3/8 × 3 = 270/24
  4. Add the two like fractions:
    80/24 + 270/24 = 80 + 270/24 = 350/24
  5. 350/24 simplified gives 175/12
  6. So, 40/12 + 90/8 = 175/12
    In mixed form: 147/12

MathStep (Works offline)

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

Related:

© everydaycalculation.com