Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 10/90 and 48/21

1st number: 10/90, 2nd number: 2 6/21

10/90 + 48/21 is 151/63.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 21 is 630

    Next, find the equivalent fraction of both fractional numbers with denominator 630
  2. For the 1st fraction, since 90 × 7 = 630,
    10/90 = 10 × 7/90 × 7 = 70/630
  3. Likewise, for the 2nd fraction, since 21 × 30 = 630,
    48/21 = 48 × 30/21 × 30 = 1440/630
  4. Add the two like fractions:
    70/630 + 1440/630 = 70 + 1440/630 = 1510/630
  5. 1510/630 simplified gives 151/63
  6. So, 10/90 + 48/21 = 151/63
    In mixed form: 225/63

MathStep (Works offline)

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

Related:

© everydaycalculation.com