Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 18/45 and 5/42

18/45 + 5/42 is 109/210.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 42 is 630

    Next, find the equivalent fraction of both fractional numbers with denominator 630
  2. For the 1st fraction, since 45 × 14 = 630,
    18/45 = 18 × 14/45 × 14 = 252/630
  3. Likewise, for the 2nd fraction, since 42 × 15 = 630,
    5/42 = 5 × 15/42 × 15 = 75/630
  4. Add the two like fractions:
    252/630 + 75/630 = 252 + 75/630 = 327/630
  5. 327/630 simplified gives 109/210
  6. So, 18/45 + 5/42 = 109/210

MathStep (Works offline)

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

Related:

© everydaycalculation.com