Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 10/20 and 45/56

10/20 + 45/56 is 73/56.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 56 is 280

    Next, find the equivalent fraction of both fractional numbers with denominator 280
  2. For the 1st fraction, since 20 × 14 = 280,
    10/20 = 10 × 14/20 × 14 = 140/280
  3. Likewise, for the 2nd fraction, since 56 × 5 = 280,
    45/56 = 45 × 5/56 × 5 = 225/280
  4. Add the two like fractions:
    140/280 + 225/280 = 140 + 225/280 = 365/280
  5. 365/280 simplified gives 73/56
  6. So, 10/20 + 45/56 = 73/56
    In mixed form: 117/56

MathStep (Works offline)

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

Related:

© everydaycalculation.com