Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 18/72 and 15/10

1st number: 18/72, 2nd number: 1 5/10

18/72 + 15/10 is 7/4.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 72 and 10 is 360

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 72 × 5 = 360,
    18/72 = 18 × 5/72 × 5 = 90/360
  3. Likewise, for the 2nd fraction, since 10 × 36 = 360,
    15/10 = 15 × 36/10 × 36 = 540/360
  4. Add the two like fractions:
    90/360 + 540/360 = 90 + 540/360 = 630/360
  5. 630/360 simplified gives 7/4
  6. So, 18/72 + 15/10 = 7/4
    In mixed form: 13/4

MathStep (Works offline)

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

Related:

© everydaycalculation.com