Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 24/28 and 42/80

24/28 + 42/80 is 387/280.

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,
    24/28 = 24 × 20/28 × 20 = 480/560
  3. Likewise, for the 2nd fraction, since 80 × 7 = 560,
    42/80 = 42 × 7/80 × 7 = 294/560
  4. Add the two like fractions:
    480/560 + 294/560 = 480 + 294/560 = 774/560
  5. 774/560 simplified gives 387/280
  6. So, 24/28 + 42/80 = 387/280
    In mixed form: 1107/280

MathStep (Works offline)

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

Related:

© everydaycalculation.com