Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 6/90 and 98/42

1st number: 6/90, 2nd number: 2 14/42

6/90 + 98/42 is 12/5.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 42 is 630

    Next, find the equivalent fraction of both fractional numbers with denominator 630
  2. For the 1st fraction, since 90 × 7 = 630,
    6/90 = 6 × 7/90 × 7 = 42/630
  3. Likewise, for the 2nd fraction, since 42 × 15 = 630,
    98/42 = 98 × 15/42 × 15 = 1470/630
  4. Add the two like fractions:
    42/630 + 1470/630 = 42 + 1470/630 = 1512/630
  5. 1512/630 simplified gives 12/5
  6. So, 6/90 + 98/42 = 12/5
    In mixed form: 22/5

MathStep (Works offline)

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

Related:

© everydaycalculation.com