Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 30/45 and 70/7

1st number: 30/45, 2nd number: 10 0/7

30/45 + 70/7 is 32/3.

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,
    30/45 = 30 × 7/45 × 7 = 210/315
  3. Likewise, for the 2nd fraction, since 7 × 45 = 315,
    70/7 = 70 × 45/7 × 45 = 3150/315
  4. Add the two like fractions:
    210/315 + 3150/315 = 210 + 3150/315 = 3360/315
  5. 3360/315 simplified gives 32/3
  6. So, 30/45 + 70/7 = 32/3
    In mixed form: 102/3

MathStep (Works offline)

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

Related:

© everydaycalculation.com