Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 72/5 and 20/56

1st number: 14 2/5, 2nd number: 20/56

72/5 + 20/56 is 1033/70.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 5 and 56 is 280

    Next, find the equivalent fraction of both fractional numbers with denominator 280
  2. For the 1st fraction, since 5 × 56 = 280,
    72/5 = 72 × 56/5 × 56 = 4032/280
  3. Likewise, for the 2nd fraction, since 56 × 5 = 280,
    20/56 = 20 × 5/56 × 5 = 100/280
  4. Add the two like fractions:
    4032/280 + 100/280 = 4032 + 100/280 = 4132/280
  5. 4132/280 simplified gives 1033/70
  6. So, 72/5 + 20/56 = 1033/70
    In mixed form: 1453/70

MathStep (Works offline)

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

Related:

© everydaycalculation.com