Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 75/80 and 20/63

75/80 + 20/63 is 1265/1008.

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,
    75/80 = 75 × 63/80 × 63 = 4725/5040
  3. Likewise, for the 2nd fraction, since 63 × 80 = 5040,
    20/63 = 20 × 80/63 × 80 = 1600/5040
  4. Add the two like fractions:
    4725/5040 + 1600/5040 = 4725 + 1600/5040 = 6325/5040
  5. 6325/5040 simplified gives 1265/1008
  6. So, 75/80 + 20/63 = 1265/1008
    In mixed form: 1257/1008

MathStep (Works offline)

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

Related:

© everydaycalculation.com