Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 12/40 and 35/18

1st number: 12/40, 2nd number: 1 17/18

12/40 + 35/18 is 101/45.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 18 is 360
  2. For the 1st fraction, since 40 × 9 = 360,
    12/40 = 12 × 9/40 × 9 = 108/360
  3. Likewise, for the 2nd fraction, since 18 × 20 = 360,
    35/18 = 35 × 20/18 × 20 = 700/360
  4. Add the two fractions:
    108/360 + 700/360 = 108 + 700/360 = 808/360
  5. 808/360 simplified gives 101/45
  6. So, 12/40 + 35/18 = 101/45
    In mixed form: 211/45

MathStep (Works offline)

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

Related:

© everydaycalculation.com