Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 63/15 and 18/72

1st number: 4 3/15, 2nd number: 18/72

63/15 + 18/72 is 89/20.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 72 is 360

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 15 × 24 = 360,
    63/15 = 63 × 24/15 × 24 = 1512/360
  3. Likewise, for the 2nd fraction, since 72 × 5 = 360,
    18/72 = 18 × 5/72 × 5 = 90/360
  4. Add the two like fractions:
    1512/360 + 90/360 = 1512 + 90/360 = 1602/360
  5. 1602/360 simplified gives 89/20
  6. So, 63/15 + 18/72 = 89/20
    In mixed form: 49/20

MathStep (Works offline)

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

Related:

© everydaycalculation.com