Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 28/42 and 49/10

1st number: 28/42, 2nd number: 4 9/10

28/42 + 49/10 is 167/30.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 10 is 210

    Next, find the equivalent fraction of both fractional numbers with denominator 210
  2. For the 1st fraction, since 42 × 5 = 210,
    28/42 = 28 × 5/42 × 5 = 140/210
  3. Likewise, for the 2nd fraction, since 10 × 21 = 210,
    49/10 = 49 × 21/10 × 21 = 1029/210
  4. Add the two like fractions:
    140/210 + 1029/210 = 140 + 1029/210 = 1169/210
  5. 1169/210 simplified gives 167/30
  6. So, 28/42 + 49/10 = 167/30
    In mixed form: 517/30

MathStep (Works offline)

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

Related:

© everydaycalculation.com