Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 36/21 and 36/45

1st number: 1 15/21, 2nd number: 36/45

36/21 + 36/45 is 88/35.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 45 is 315

    Next, find the equivalent fraction of both fractional numbers with denominator 315
  2. For the 1st fraction, since 21 × 15 = 315,
    36/21 = 36 × 15/21 × 15 = 540/315
  3. Likewise, for the 2nd fraction, since 45 × 7 = 315,
    36/45 = 36 × 7/45 × 7 = 252/315
  4. Add the two like fractions:
    540/315 + 252/315 = 540 + 252/315 = 792/315
  5. 792/315 simplified gives 88/35
  6. So, 36/21 + 36/45 = 88/35
    In mixed form: 218/35

MathStep (Works offline)

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

Related:

© everydaycalculation.com