Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 84/98 and 1/40

84/98 + 1/40 is 247/280.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 1960
  2. For the 1st fraction, since 98 × 20 = 1960,
    84/98 = 84 × 20/98 × 20 = 1680/1960
  3. Likewise, for the 2nd fraction, since 40 × 49 = 1960,
    1/40 = 1 × 49/40 × 49 = 49/1960
  4. Add the two like fractions:
    1680/1960 + 49/1960 = 1680 + 49/1960 = 1729/1960
  5. 1729/1960 simplified gives 247/280
  6. So, 84/98 + 1/40 = 247/280

MathStep (Works offline)

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

Related:

© everydaycalculation.com