Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Add fractions

Add 28/42 and 35/45

28/42 + 35/45 is 13/9.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 45 is 630
  2. For the 1st fraction, since 42 × 15 = 630,
    28/42 = 28 × 15/42 × 15 = 420/630
  3. Likewise, for the 2nd fraction, since 45 × 14 = 630,
    35/45 = 35 × 14/45 × 14 = 490/630
  4. Add the two fractions:
    420/630 + 490/630 = 420 + 490/630 = 910/630
  5. After reducing the fraction, the answer is 13/9
  6. In mixed form: 14/9

MathStep (Works offline)

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

Related:

© everydaycalculation.com