Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 4/21 and 25/90

4/21 + 25/90 is 59/126.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 90 is 630

    Next, find the equivalent fraction of both fractional numbers with denominator 630
  2. For the 1st fraction, since 21 × 30 = 630,
    4/21 = 4 × 30/21 × 30 = 120/630
  3. Likewise, for the 2nd fraction, since 90 × 7 = 630,
    25/90 = 25 × 7/90 × 7 = 175/630
  4. Add the two like fractions:
    120/630 + 175/630 = 120 + 175/630 = 295/630
  5. 295/630 simplified gives 59/126
  6. So, 4/21 + 25/90 = 59/126

MathStep (Works offline)

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

Related:

© everydaycalculation.com