Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 21/25 and 2/7

21/25 + 2/7 is 197/175.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 25 and 7 is 175

    Next, find the equivalent fraction of both fractional numbers with denominator 175
  2. For the 1st fraction, since 25 × 7 = 175,
    21/25 = 21 × 7/25 × 7 = 147/175
  3. Likewise, for the 2nd fraction, since 7 × 25 = 175,
    2/7 = 2 × 25/7 × 25 = 50/175
  4. Add the two like fractions:
    147/175 + 50/175 = 147 + 50/175 = 197/175
  5. So, 21/25 + 2/7 = 197/175
    In mixed form: 122/175

MathStep (Works offline)

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

Related:

© everydaycalculation.com