Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 30/45 and 10/35

30/45 + 10/35 is 20/21.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 35 is 315

    Next, find the equivalent fraction of both fractional numbers with denominator 315
  2. For the 1st fraction, since 45 × 7 = 315,
    30/45 = 30 × 7/45 × 7 = 210/315
  3. Likewise, for the 2nd fraction, since 35 × 9 = 315,
    10/35 = 10 × 9/35 × 9 = 90/315
  4. Add the two like fractions:
    210/315 + 90/315 = 210 + 90/315 = 300/315
  5. 300/315 simplified gives 20/21
  6. So, 30/45 + 10/35 = 20/21

MathStep (Works offline)

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

Related:

© everydaycalculation.com