Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 72/20 and 12/64

1st number: 3 12/20, 2nd number: 12/64

72/20 + 12/64 is 303/80.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 64 is 320

    Next, find the equivalent fraction of both fractional numbers with denominator 320
  2. For the 1st fraction, since 20 × 16 = 320,
    72/20 = 72 × 16/20 × 16 = 1152/320
  3. Likewise, for the 2nd fraction, since 64 × 5 = 320,
    12/64 = 12 × 5/64 × 5 = 60/320
  4. Add the two like fractions:
    1152/320 + 60/320 = 1152 + 60/320 = 1212/320
  5. 1212/320 simplified gives 303/80
  6. So, 72/20 + 12/64 = 303/80
    In mixed form: 363/80

MathStep (Works offline)

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

Related:

© everydaycalculation.com