Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 9/7 and 98/80

1st number: 1 2/7, 2nd number: 1 18/80

9/7 + 98/80 is 703/280.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 7 and 80 is 560

    Next, find the equivalent fraction of both fractional numbers with denominator 560
  2. For the 1st fraction, since 7 × 80 = 560,
    9/7 = 9 × 80/7 × 80 = 720/560
  3. Likewise, for the 2nd fraction, since 80 × 7 = 560,
    98/80 = 98 × 7/80 × 7 = 686/560
  4. Add the two like fractions:
    720/560 + 686/560 = 720 + 686/560 = 1406/560
  5. 1406/560 simplified gives 703/280
  6. So, 9/7 + 98/80 = 703/280
    In mixed form: 2143/280

MathStep (Works offline)

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

Related:

© everydaycalculation.com