Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 42/80 and 7/63

42/80 + 7/63 is 229/360.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 80 and 63 is 5040

    Next, find the equivalent fraction of both fractional numbers with denominator 5040
  2. For the 1st fraction, since 80 × 63 = 5040,
    42/80 = 42 × 63/80 × 63 = 2646/5040
  3. Likewise, for the 2nd fraction, since 63 × 80 = 5040,
    7/63 = 7 × 80/63 × 80 = 560/5040
  4. Add the two like fractions:
    2646/5040 + 560/5040 = 2646 + 560/5040 = 3206/5040
  5. 3206/5040 simplified gives 229/360
  6. So, 42/80 + 7/63 = 229/360

MathStep (Works offline)

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

Related:

© everydaycalculation.com