Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 30/40 and 30/72

30/40 + 30/72 is 7/6.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 72 is 360

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 40 × 9 = 360,
    30/40 = 30 × 9/40 × 9 = 270/360
  3. Likewise, for the 2nd fraction, since 72 × 5 = 360,
    30/72 = 30 × 5/72 × 5 = 150/360
  4. Add the two like fractions:
    270/360 + 150/360 = 270 + 150/360 = 420/360
  5. 420/360 simplified gives 7/6
  6. So, 30/40 + 30/72 = 7/6
    In mixed form: 11/6

MathStep (Works offline)

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

Related:

© everydaycalculation.com