Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 12/7 and 14/45

1st number: 1 5/7, 2nd number: 14/45

12/7 + 14/45 is 638/315.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 7 and 45 is 315

    Next, find the equivalent fraction of both fractional numbers with denominator 315
  2. For the 1st fraction, since 7 × 45 = 315,
    12/7 = 12 × 45/7 × 45 = 540/315
  3. Likewise, for the 2nd fraction, since 45 × 7 = 315,
    14/45 = 14 × 7/45 × 7 = 98/315
  4. Add the two like fractions:
    540/315 + 98/315 = 540 + 98/315 = 638/315
  5. So, 12/7 + 14/45 = 638/315
    In mixed form: 28/315

MathStep (Works offline)

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

Related:

© everydaycalculation.com