Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 40/30 and 20/56

1st number: 1 10/30, 2nd number: 20/56

40/30 + 20/56 is 71/42.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 56 is 840

    Next, find the equivalent fraction of both fractional numbers with denominator 840
  2. For the 1st fraction, since 30 × 28 = 840,
    40/30 = 40 × 28/30 × 28 = 1120/840
  3. Likewise, for the 2nd fraction, since 56 × 15 = 840,
    20/56 = 20 × 15/56 × 15 = 300/840
  4. Add the two like fractions:
    1120/840 + 300/840 = 1120 + 300/840 = 1420/840
  5. 1420/840 simplified gives 71/42
  6. So, 40/30 + 20/56 = 71/42
    In mixed form: 129/42

MathStep (Works offline)

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

Related:

© everydaycalculation.com