Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 7/45 and 21/98

7/45 + 21/98 is 233/630.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 98 is 4410

    Next, find the equivalent fraction of both fractional numbers with denominator 4410
  2. For the 1st fraction, since 45 × 98 = 4410,
    7/45 = 7 × 98/45 × 98 = 686/4410
  3. Likewise, for the 2nd fraction, since 98 × 45 = 4410,
    21/98 = 21 × 45/98 × 45 = 945/4410
  4. Add the two like fractions:
    686/4410 + 945/4410 = 686 + 945/4410 = 1631/4410
  5. 1631/4410 simplified gives 233/630
  6. So, 7/45 + 21/98 = 233/630

MathStep (Works offline)

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

Related:

© everydaycalculation.com