Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 30/56 and 81/80

1st number: 30/56, 2nd number: 1 1/80

30/56 + 81/80 is 867/560.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 56 and 80 is 560

    Next, find the equivalent fraction of both fractional numbers with denominator 560
  2. For the 1st fraction, since 56 × 10 = 560,
    30/56 = 30 × 10/56 × 10 = 300/560
  3. Likewise, for the 2nd fraction, since 80 × 7 = 560,
    81/80 = 81 × 7/80 × 7 = 567/560
  4. Add the two like fractions:
    300/560 + 567/560 = 300 + 567/560 = 867/560
  5. So, 30/56 + 81/80 = 867/560
    In mixed form: 1307/560

MathStep (Works offline)

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

Related:

© everydaycalculation.com