Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 28/4 and 30/72

1st number: 7 0/4, 2nd number: 30/72

28/4 + 30/72 is 89/12.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 72 is 72

    Next, find the equivalent fraction of both fractional numbers with denominator 72
  2. For the 1st fraction, since 4 × 18 = 72,
    28/4 = 28 × 18/4 × 18 = 504/72
  3. Likewise, for the 2nd fraction, since 72 × 1 = 72,
    30/72 = 30 × 1/72 × 1 = 30/72
  4. Add the two like fractions:
    504/72 + 30/72 = 504 + 30/72 = 534/72
  5. 534/72 simplified gives 89/12
  6. So, 28/4 + 30/72 = 89/12
    In mixed form: 75/12

MathStep (Works offline)

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

Related:

© everydaycalculation.com