Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 70/10 and 42/98

1st number: 7 0/10, 2nd number: 42/98

70/10 + 42/98 is 52/7.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 98 is 490

    Next, find the equivalent fraction of both fractional numbers with denominator 490
  2. For the 1st fraction, since 10 × 49 = 490,
    70/10 = 70 × 49/10 × 49 = 3430/490
  3. Likewise, for the 2nd fraction, since 98 × 5 = 490,
    42/98 = 42 × 5/98 × 5 = 210/490
  4. Add the two like fractions:
    3430/490 + 210/490 = 3430 + 210/490 = 3640/490
  5. 3640/490 simplified gives 52/7
  6. So, 70/10 + 42/98 = 52/7
    In mixed form: 73/7

MathStep (Works offline)

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

Related:

© everydaycalculation.com