Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 3/45 and 70/7

1st number: 3/45, 2nd number: 10 0/7

3/45 + 70/7 is 151/15.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 315
  2. For the 1st fraction, since 45 × 7 = 315,
    3/45 = 3 × 7/45 × 7 = 21/315
  3. Likewise, for the 2nd fraction, since 7 × 45 = 315,
    70/7 = 70 × 45/7 × 45 = 3150/315
  4. Add the two like fractions:
    21/315 + 3150/315 = 21 + 3150/315 = 3171/315
  5. 3171/315 simplified gives 151/15
  6. So, 3/45 + 70/7 = 151/15
    In mixed form: 101/15

MathStep (Works offline)

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

Related:

© everydaycalculation.com