Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 90/25 and 3/21

1st number: 3 15/25, 2nd number: 3/21

90/25 + 3/21 is 131/35.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 25 and 21 is 525

    Next, find the equivalent fraction of both fractional numbers with denominator 525
  2. For the 1st fraction, since 25 × 21 = 525,
    90/25 = 90 × 21/25 × 21 = 1890/525
  3. Likewise, for the 2nd fraction, since 21 × 25 = 525,
    3/21 = 3 × 25/21 × 25 = 75/525
  4. Add the two like fractions:
    1890/525 + 75/525 = 1890 + 75/525 = 1965/525
  5. 1965/525 simplified gives 131/35
  6. So, 90/25 + 3/21 = 131/35
    In mixed form: 326/35

MathStep (Works offline)

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

Related:

© everydaycalculation.com