Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 10/42 and 25/45

10/42 + 25/45 is 50/63.

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,
    10/42 = 10 × 15/42 × 15 = 150/630
  3. Likewise, for the 2nd fraction, since 45 × 14 = 630,
    25/45 = 25 × 14/45 × 14 = 350/630
  4. Add the two fractions:
    150/630 + 350/630 = 150 + 350/630 = 500/630
  5. 500/630 simplified gives 50/63
  6. So, 10/42 + 25/45 = 50/63

MathStep (Works offline)

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

Related:

© everydaycalculation.com