Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 42/20 and 6/72

1st number: 2 2/20, 2nd number: 6/72

42/20 + 6/72 is 131/60.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 72 is 360

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 20 × 18 = 360,
    42/20 = 42 × 18/20 × 18 = 756/360
  3. Likewise, for the 2nd fraction, since 72 × 5 = 360,
    6/72 = 6 × 5/72 × 5 = 30/360
  4. Add the two like fractions:
    756/360 + 30/360 = 756 + 30/360 = 786/360
  5. 786/360 simplified gives 131/60
  6. So, 42/20 + 6/72 = 131/60
    In mixed form: 211/60

MathStep (Works offline)

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

Related:

© everydaycalculation.com