Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 28/80 and 3/70

28/80 + 3/70 is 11/28.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 80 and 70 is 560

    Next, find the equivalent fraction of both fractional numbers with denominator 560
  2. For the 1st fraction, since 80 × 7 = 560,
    28/80 = 28 × 7/80 × 7 = 196/560
  3. Likewise, for the 2nd fraction, since 70 × 8 = 560,
    3/70 = 3 × 8/70 × 8 = 24/560
  4. Add the two like fractions:
    196/560 + 24/560 = 196 + 24/560 = 220/560
  5. 220/560 simplified gives 11/28
  6. So, 28/80 + 3/70 = 11/28

MathStep (Works offline)

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

Related:

© everydaycalculation.com