Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 30/35 and 80/90

30/35 + 80/90 is 110/63.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 35 and 90 is 630

    Next, find the equivalent fraction of both fractional numbers with denominator 630
  2. For the 1st fraction, since 35 × 18 = 630,
    30/35 = 30 × 18/35 × 18 = 540/630
  3. Likewise, for the 2nd fraction, since 90 × 7 = 630,
    80/90 = 80 × 7/90 × 7 = 560/630
  4. Add the two like fractions:
    540/630 + 560/630 = 540 + 560/630 = 1100/630
  5. 1100/630 simplified gives 110/63
  6. So, 30/35 + 80/90 = 110/63
    In mixed form: 147/63

MathStep (Works offline)

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

Related:

© everydaycalculation.com