Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 90/8 and 20/63

1st number: 11 2/8, 2nd number: 20/63

90/8 + 20/63 is 2915/252.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 8 and 63 is 504

    Next, find the equivalent fraction of both fractional numbers with denominator 504
  2. For the 1st fraction, since 8 × 63 = 504,
    90/8 = 90 × 63/8 × 63 = 5670/504
  3. Likewise, for the 2nd fraction, since 63 × 8 = 504,
    20/63 = 20 × 8/63 × 8 = 160/504
  4. Add the two like fractions:
    5670/504 + 160/504 = 5670 + 160/504 = 5830/504
  5. 5830/504 simplified gives 2915/252
  6. So, 90/8 + 20/63 = 2915/252
    In mixed form: 11143/252

MathStep (Works offline)

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

Related:

© everydaycalculation.com