Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 15/72 and 80/30

1st number: 15/72, 2nd number: 2 20/30

15/72 + 80/30 is 23/8.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 72 and 30 is 360

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 72 × 5 = 360,
    15/72 = 15 × 5/72 × 5 = 75/360
  3. Likewise, for the 2nd fraction, since 30 × 12 = 360,
    80/30 = 80 × 12/30 × 12 = 960/360
  4. Add the two like fractions:
    75/360 + 960/360 = 75 + 960/360 = 1035/360
  5. 1035/360 simplified gives 23/8
  6. So, 15/72 + 80/30 = 23/8
    In mixed form: 27/8

MathStep (Works offline)

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

Related:

© everydaycalculation.com