Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 40/75 and 84/72

1st number: 40/75, 2nd number: 1 12/72

40/75 + 84/72 is 17/10.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 75 and 72 is 1800
  2. For the 1st fraction, since 75 × 24 = 1800,
    40/75 = 40 × 24/75 × 24 = 960/1800
  3. Likewise, for the 2nd fraction, since 72 × 25 = 1800,
    84/72 = 84 × 25/72 × 25 = 2100/1800
  4. Add the two fractions:
    960/1800 + 2100/1800 = 960 + 2100/1800 = 3060/1800
  5. 3060/1800 simplified gives 17/10
  6. So, 40/75 + 84/72 = 17/10
    In mixed form: 17/10

MathStep (Works offline)

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

Related:

© everydaycalculation.com