Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 36/28 and 42/80

1st number: 1 8/28, 2nd number: 42/80

36/28 + 42/80 is 507/280.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 560
  2. For the 1st fraction, since 28 × 20 = 560,
    36/28 = 36 × 20/28 × 20 = 720/560
  3. Likewise, for the 2nd fraction, since 80 × 7 = 560,
    42/80 = 42 × 7/80 × 7 = 294/560
  4. Add the two like fractions:
    720/560 + 294/560 = 720 + 294/560 = 1014/560
  5. 1014/560 simplified gives 507/280
  6. So, 36/28 + 42/80 = 507/280
    In mixed form: 1227/280

MathStep (Works offline)

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

Related:

© everydaycalculation.com