Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 15/5 and 21/98

1st number: 3 0/5, 2nd number: 21/98

15/5 + 21/98 is 45/14.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 490
  2. For the 1st fraction, since 5 × 98 = 490,
    15/5 = 15 × 98/5 × 98 = 1470/490
  3. Likewise, for the 2nd fraction, since 98 × 5 = 490,
    21/98 = 21 × 5/98 × 5 = 105/490
  4. Add the two like fractions:
    1470/490 + 105/490 = 1470 + 105/490 = 1575/490
  5. 1575/490 simplified gives 45/14
  6. So, 15/5 + 21/98 = 45/14
    In mixed form: 33/14

MathStep (Works offline)

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

Related:

© everydaycalculation.com