Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 4/20 and 72/16

1st number: 4/20, 2nd number: 4 8/16

4/20 + 72/16 is 47/10.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 16 is 80

    Next, find the equivalent fraction of both fractional numbers with denominator 80
  2. For the 1st fraction, since 20 × 4 = 80,
    4/20 = 4 × 4/20 × 4 = 16/80
  3. Likewise, for the 2nd fraction, since 16 × 5 = 80,
    72/16 = 72 × 5/16 × 5 = 360/80
  4. Add the two like fractions:
    16/80 + 360/80 = 16 + 360/80 = 376/80
  5. 376/80 simplified gives 47/10
  6. So, 4/20 + 72/16 = 47/10
    In mixed form: 47/10

MathStep (Works offline)

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

Related:

© everydaycalculation.com