Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 20/80 and 30/28

1st number: 20/80, 2nd number: 1 2/28

20/80 + 30/28 is 37/28.

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,
    20/80 = 20 × 7/80 × 7 = 140/560
  3. Likewise, for the 2nd fraction, since 28 × 20 = 560,
    30/28 = 30 × 20/28 × 20 = 600/560
  4. Add the two like fractions:
    140/560 + 600/560 = 140 + 600/560 = 740/560
  5. 740/560 simplified gives 37/28
  6. So, 20/80 + 30/28 = 37/28
    In mixed form: 19/28

MathStep (Works offline)

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

Related:

© everydaycalculation.com