Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 25/90 and 2/21

25/90 + 2/21 is 47/126.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 630
  2. For the 1st fraction, since 90 × 7 = 630,
    25/90 = 25 × 7/90 × 7 = 175/630
  3. Likewise, for the 2nd fraction, since 21 × 30 = 630,
    2/21 = 2 × 30/21 × 30 = 60/630
  4. Add the two like fractions:
    175/630 + 60/630 = 175 + 60/630 = 235/630
  5. 235/630 simplified gives 47/126
  6. So, 25/90 + 2/21 = 47/126

MathStep (Works offline)

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

Related:

© everydaycalculation.com