Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 2/42 and 12/45

2/42 + 12/45 is 11/35.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 630
  2. For the 1st fraction, since 42 × 15 = 630,
    2/42 = 2 × 15/42 × 15 = 30/630
  3. Likewise, for the 2nd fraction, since 45 × 14 = 630,
    12/45 = 12 × 14/45 × 14 = 168/630
  4. Add the two like fractions:
    30/630 + 168/630 = 30 + 168/630 = 198/630
  5. 198/630 simplified gives 11/35
  6. So, 2/42 + 12/45 = 11/35

MathStep (Works offline)

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

Related:

© everydaycalculation.com