Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 42/98 and 3/90

42/98 + 3/90 is 97/210.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 98 and 90 is 4410

    Next, find the equivalent fraction of both fractional numbers with denominator 4410
  2. For the 1st fraction, since 98 × 45 = 4410,
    42/98 = 42 × 45/98 × 45 = 1890/4410
  3. Likewise, for the 2nd fraction, since 90 × 49 = 4410,
    3/90 = 3 × 49/90 × 49 = 147/4410
  4. Add the two like fractions:
    1890/4410 + 147/4410 = 1890 + 147/4410 = 2037/4410
  5. 2037/4410 simplified gives 97/210
  6. So, 42/98 + 3/90 = 97/210

MathStep (Works offline)

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

Related:

© everydaycalculation.com