Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 45/35 and 30/90

1st number: 1 10/35, 2nd number: 30/90

45/35 + 30/90 is 34/21.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 35 and 90 is 630
  2. For the 1st fraction, since 35 × 18 = 630,
    45/35 = 45 × 18/35 × 18 = 810/630
  3. Likewise, for the 2nd fraction, since 90 × 7 = 630,
    30/90 = 30 × 7/90 × 7 = 210/630
  4. Add the two fractions:
    810/630 + 210/630 = 810 + 210/630 = 1020/630
  5. 1020/630 simplified gives 34/21
  6. So, 45/35 + 30/90 = 34/21
    In mixed form: 113/21

MathStep (Works offline)

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

Related:

© everydaycalculation.com