Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 10/14 and 42/90

10/14 + 42/90 is 124/105.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 14 and 90 is 630

    Next, find the equivalent fraction of both fractional numbers with denominator 630
  2. For the 1st fraction, since 14 × 45 = 630,
    10/14 = 10 × 45/14 × 45 = 450/630
  3. Likewise, for the 2nd fraction, since 90 × 7 = 630,
    42/90 = 42 × 7/90 × 7 = 294/630
  4. Add the two like fractions:
    450/630 + 294/630 = 450 + 294/630 = 744/630
  5. 744/630 simplified gives 124/105
  6. So, 10/14 + 42/90 = 124/105
    In mixed form: 119/105

MathStep (Works offline)

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

Related:

© everydaycalculation.com