Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 14/90 and 9/7

1st number: 14/90, 2nd number: 1 2/7

14/90 + 9/7 is 454/315.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 7 is 630

    Next, find the equivalent fraction of both fractional numbers with denominator 630
  2. For the 1st fraction, since 90 × 7 = 630,
    14/90 = 14 × 7/90 × 7 = 98/630
  3. Likewise, for the 2nd fraction, since 7 × 90 = 630,
    9/7 = 9 × 90/7 × 90 = 810/630
  4. Add the two like fractions:
    98/630 + 810/630 = 98 + 810/630 = 908/630
  5. 908/630 simplified gives 454/315
  6. So, 14/90 + 9/7 = 454/315
    In mixed form: 1139/315

MathStep (Works offline)

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

Related:

© everydaycalculation.com