Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 25/72 and 42/63

25/72 + 42/63 is 73/72.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 72 and 63 is 504

    Next, find the equivalent fraction of both fractional numbers with denominator 504
  2. For the 1st fraction, since 72 × 7 = 504,
    25/72 = 25 × 7/72 × 7 = 175/504
  3. Likewise, for the 2nd fraction, since 63 × 8 = 504,
    42/63 = 42 × 8/63 × 8 = 336/504
  4. Add the two like fractions:
    175/504 + 336/504 = 175 + 336/504 = 511/504
  5. 511/504 simplified gives 73/72
  6. So, 25/72 + 42/63 = 73/72
    In mixed form: 11/72

MathStep (Works offline)

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

Related:

© everydaycalculation.com