Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 72/4 and 3/45

1st number: 18 0/4, 2nd number: 3/45

72/4 + 3/45 is 271/15.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 45 is 180

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 4 × 45 = 180,
    72/4 = 72 × 45/4 × 45 = 3240/180
  3. Likewise, for the 2nd fraction, since 45 × 4 = 180,
    3/45 = 3 × 4/45 × 4 = 12/180
  4. Add the two like fractions:
    3240/180 + 12/180 = 3240 + 12/180 = 3252/180
  5. 3252/180 simplified gives 271/15
  6. So, 72/4 + 3/45 = 271/15
    In mixed form: 181/15

MathStep (Works offline)

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

Related:

© everydaycalculation.com