Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 30/70 and 18/98

30/70 + 18/98 is 30/49.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 98 is 490

    Next, find the equivalent fraction of both fractional numbers with denominator 490
  2. For the 1st fraction, since 70 × 7 = 490,
    30/70 = 30 × 7/70 × 7 = 210/490
  3. Likewise, for the 2nd fraction, since 98 × 5 = 490,
    18/98 = 18 × 5/98 × 5 = 90/490
  4. Add the two like fractions:
    210/490 + 90/490 = 210 + 90/490 = 300/490
  5. 300/490 simplified gives 30/49
  6. So, 30/70 + 18/98 = 30/49

MathStep (Works offline)

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

Related:

© everydaycalculation.com