Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 90/80 and 3/28

1st number: 1 10/80, 2nd number: 3/28

90/80 + 3/28 is 69/56.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 80 and 28 is 560

    Next, find the equivalent fraction of both fractional numbers with denominator 560
  2. For the 1st fraction, since 80 × 7 = 560,
    90/80 = 90 × 7/80 × 7 = 630/560
  3. Likewise, for the 2nd fraction, since 28 × 20 = 560,
    3/28 = 3 × 20/28 × 20 = 60/560
  4. Add the two like fractions:
    630/560 + 60/560 = 630 + 60/560 = 690/560
  5. 690/560 simplified gives 69/56
  6. So, 90/80 + 3/28 = 69/56
    In mixed form: 113/56

MathStep (Works offline)

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

Related:

© everydaycalculation.com