Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 70/45 and 49/63

1st number: 1 25/45, 2nd number: 49/63

70/45 + 49/63 is 7/3.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 63 is 315

    Next, find the equivalent fraction of both fractional numbers with denominator 315
  2. For the 1st fraction, since 45 × 7 = 315,
    70/45 = 70 × 7/45 × 7 = 490/315
  3. Likewise, for the 2nd fraction, since 63 × 5 = 315,
    49/63 = 49 × 5/63 × 5 = 245/315
  4. Add the two like fractions:
    490/315 + 245/315 = 490 + 245/315 = 735/315
  5. 735/315 simplified gives 7/3
  6. So, 70/45 + 49/63 = 7/3
    In mixed form: 21/3

MathStep (Works offline)

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

Related:

© everydaycalculation.com