Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 72/2 and 20/8

1st number: 36 0/2, 2nd number: 2 4/8

72/2 + 20/8 is 77/2.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 8 is 8

    Next, find the equivalent fraction of both fractional numbers with denominator 8
  2. For the 1st fraction, since 2 × 4 = 8,
    72/2 = 72 × 4/2 × 4 = 288/8
  3. Likewise, for the 2nd fraction, since 8 × 1 = 8,
    20/8 = 20 × 1/8 × 1 = 20/8
  4. Add the two like fractions:
    288/8 + 20/8 = 288 + 20/8 = 308/8
  5. 308/8 simplified gives 77/2
  6. So, 72/2 + 20/8 = 77/2
    In mixed form: 381/2

MathStep (Works offline)

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

Related:

© everydaycalculation.com