Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 21/40 and 60/98

21/40 + 60/98 is 2229/1960.

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,
    21/40 = 21 × 49/40 × 49 = 1029/1960
  3. Likewise, for the 2nd fraction, since 98 × 20 = 1960,
    60/98 = 60 × 20/98 × 20 = 1200/1960
  4. Add the two like fractions:
    1029/1960 + 1200/1960 = 1029 + 1200/1960 = 2229/1960
  5. So, 21/40 + 60/98 = 2229/1960
    In mixed form: 1269/1960

MathStep (Works offline)

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

Related:

© everydaycalculation.com