Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 90/80 and 9/49

1st number: 1 10/80, 2nd number: 9/49

90/80 + 9/49 is 513/392.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 80 and 49 is 3920

    Next, find the equivalent fraction of both fractional numbers with denominator 3920
  2. For the 1st fraction, since 80 × 49 = 3920,
    90/80 = 90 × 49/80 × 49 = 4410/3920
  3. Likewise, for the 2nd fraction, since 49 × 80 = 3920,
    9/49 = 9 × 80/49 × 80 = 720/3920
  4. Add the two like fractions:
    4410/3920 + 720/3920 = 4410 + 720/3920 = 5130/3920
  5. 5130/3920 simplified gives 513/392
  6. So, 90/80 + 9/49 = 513/392
    In mixed form: 1121/392

MathStep (Works offline)

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

Related:

© everydaycalculation.com