Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 63/56 and 42/80

1st number: 1 7/56, 2nd number: 42/80

63/56 + 42/80 is 33/20.

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,
    63/56 = 63 × 10/56 × 10 = 630/560
  3. Likewise, for the 2nd fraction, since 80 × 7 = 560,
    42/80 = 42 × 7/80 × 7 = 294/560
  4. Add the two like fractions:
    630/560 + 294/560 = 630 + 294/560 = 924/560
  5. 924/560 simplified gives 33/20
  6. So, 63/56 + 42/80 = 33/20
    In mixed form: 113/20

MathStep (Works offline)

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

Related:

© everydaycalculation.com