Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 18/10 and 42/56

1st number: 1 8/10, 2nd number: 42/56

18/10 + 42/56 is 51/20.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 56 is 280

    Next, find the equivalent fraction of both fractional numbers with denominator 280
  2. For the 1st fraction, since 10 × 28 = 280,
    18/10 = 18 × 28/10 × 28 = 504/280
  3. Likewise, for the 2nd fraction, since 56 × 5 = 280,
    42/56 = 42 × 5/56 × 5 = 210/280
  4. Add the two like fractions:
    504/280 + 210/280 = 504 + 210/280 = 714/280
  5. 714/280 simplified gives 51/20
  6. So, 18/10 + 42/56 = 51/20
    In mixed form: 211/20

MathStep (Works offline)

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

Related:

© everydaycalculation.com