Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Add fractions

Add 21/35 and 10/18

21/35 + 10/18 is 52/45.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 35 and 18 is 630
  2. For the 1st fraction, since 35 × 18 = 630,
    21/35 = 21 × 18/35 × 18 = 378/630
  3. Likewise, for the 2nd fraction, since 18 × 35 = 630,
    10/18 = 10 × 35/18 × 35 = 350/630
  4. Add the two fractions:
    378/630 + 350/630 = 378 + 350/630 = 728/630
  5. After reducing the fraction, the answer is 52/45
  6. In mixed form: 17/45

MathStep (Works offline)

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

Related:

© everydaycalculation.com