Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 7/90 and 21/50

7/90 + 21/50 is 112/225.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 50 is 450

    Next, find the equivalent fraction of both fractional numbers with denominator 450
  2. For the 1st fraction, since 90 × 5 = 450,
    7/90 = 7 × 5/90 × 5 = 35/450
  3. Likewise, for the 2nd fraction, since 50 × 9 = 450,
    21/50 = 21 × 9/50 × 9 = 189/450
  4. Add the two like fractions:
    35/450 + 189/450 = 35 + 189/450 = 224/450
  5. 224/450 simplified gives 112/225
  6. So, 7/90 + 21/50 = 112/225

MathStep (Works offline)

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

Related:

© everydaycalculation.com