Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 24/40 and 21/98

24/40 + 21/98 is 57/70.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 98 is 1960

    Next, find the equivalent fraction of both fractional numbers with denominator 1960
  2. For the 1st fraction, since 40 × 49 = 1960,
    24/40 = 24 × 49/40 × 49 = 1176/1960
  3. Likewise, for the 2nd fraction, since 98 × 20 = 1960,
    21/98 = 21 × 20/98 × 20 = 420/1960
  4. Add the two like fractions:
    1176/1960 + 420/1960 = 1176 + 420/1960 = 1596/1960
  5. 1596/1960 simplified gives 57/70
  6. So, 24/40 + 21/98 = 57/70

MathStep (Works offline)

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

Related:

© everydaycalculation.com