Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 40/30 and 81/72

1st number: 1 10/30, 2nd number: 1 9/72

40/30 + 81/72 is 59/24.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 72 is 360
  2. For the 1st fraction, since 30 × 12 = 360,
    40/30 = 40 × 12/30 × 12 = 480/360
  3. Likewise, for the 2nd fraction, since 72 × 5 = 360,
    81/72 = 81 × 5/72 × 5 = 405/360
  4. Add the two fractions:
    480/360 + 405/360 = 480 + 405/360 = 885/360
  5. 885/360 simplified gives 59/24
  6. So, 40/30 + 81/72 = 59/24
    In mixed form: 211/24

MathStep (Works offline)

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

Related:

© everydaycalculation.com