Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 42/63 and 81/8

1st number: 42/63, 2nd number: 10 1/8

42/63 + 81/8 is 259/24.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 504
  2. For the 1st fraction, since 63 × 8 = 504,
    42/63 = 42 × 8/63 × 8 = 336/504
  3. Likewise, for the 2nd fraction, since 8 × 63 = 504,
    81/8 = 81 × 63/8 × 63 = 5103/504
  4. Add the two like fractions:
    336/504 + 5103/504 = 336 + 5103/504 = 5439/504
  5. 5439/504 simplified gives 259/24
  6. So, 42/63 + 81/8 = 259/24
    In mixed form: 1019/24

MathStep (Works offline)

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

Related:

© everydaycalculation.com