Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 21/98 and 9/5

1st number: 21/98, 2nd number: 1 4/5

21/98 + 9/5 is 141/70.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 98 and 5 is 490

    Next, find the equivalent fraction of both fractional numbers with denominator 490
  2. For the 1st fraction, since 98 × 5 = 490,
    21/98 = 21 × 5/98 × 5 = 105/490
  3. Likewise, for the 2nd fraction, since 5 × 98 = 490,
    9/5 = 9 × 98/5 × 98 = 882/490
  4. Add the two like fractions:
    105/490 + 882/490 = 105 + 882/490 = 987/490
  5. 987/490 simplified gives 141/70
  6. So, 21/98 + 9/5 = 141/70
    In mixed form: 21/70

MathStep (Works offline)

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

Related:

© everydaycalculation.com