Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 30/72 and 75/45

1st number: 30/72, 2nd number: 1 30/45

30/72 + 75/45 is 25/12.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 72 and 45 is 360

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 72 × 5 = 360,
    30/72 = 30 × 5/72 × 5 = 150/360
  3. Likewise, for the 2nd fraction, since 45 × 8 = 360,
    75/45 = 75 × 8/45 × 8 = 600/360
  4. Add the two like fractions:
    150/360 + 600/360 = 150 + 600/360 = 750/360
  5. 750/360 simplified gives 25/12
  6. So, 30/72 + 75/45 = 25/12
    In mixed form: 21/12

MathStep (Works offline)

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

Related:

© everydaycalculation.com