Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 30/15 and 54/56

1st number: 2 0/15, 2nd number: 54/56

30/15 + 54/56 is 83/28.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 56 is 840

    Next, find the equivalent fraction of both fractional numbers with denominator 840
  2. For the 1st fraction, since 15 × 56 = 840,
    30/15 = 30 × 56/15 × 56 = 1680/840
  3. Likewise, for the 2nd fraction, since 56 × 15 = 840,
    54/56 = 54 × 15/56 × 15 = 810/840
  4. Add the two like fractions:
    1680/840 + 810/840 = 1680 + 810/840 = 2490/840
  5. 2490/840 simplified gives 83/28
  6. So, 30/15 + 54/56 = 83/28
    In mixed form: 227/28

MathStep (Works offline)

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

Related:

© everydaycalculation.com