Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 72/12 and 21/60

1st number: 6 0/12, 2nd number: 21/60

72/12 + 21/60 is 127/20.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 60 is 60

    Next, find the equivalent fraction of both fractional numbers with denominator 60
  2. For the 1st fraction, since 12 × 5 = 60,
    72/12 = 72 × 5/12 × 5 = 360/60
  3. Likewise, for the 2nd fraction, since 60 × 1 = 60,
    21/60 = 21 × 1/60 × 1 = 21/60
  4. Add the two like fractions:
    360/60 + 21/60 = 360 + 21/60 = 381/60
  5. 381/60 simplified gives 127/20
  6. So, 72/12 + 21/60 = 127/20
    In mixed form: 67/20

MathStep (Works offline)

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

Related:

© everydaycalculation.com