Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 30/15 and 75/7

1st number: 2 0/15, 2nd number: 10 5/7

30/15 + 75/7 is 89/7.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 7 is 105

    Next, find the equivalent fraction of both fractional numbers with denominator 105
  2. For the 1st fraction, since 15 × 7 = 105,
    30/15 = 30 × 7/15 × 7 = 210/105
  3. Likewise, for the 2nd fraction, since 7 × 15 = 105,
    75/7 = 75 × 15/7 × 15 = 1125/105
  4. Add the two like fractions:
    210/105 + 1125/105 = 210 + 1125/105 = 1335/105
  5. 1335/105 simplified gives 89/7
  6. So, 30/15 + 75/7 = 89/7
    In mixed form: 125/7

MathStep (Works offline)

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

Related:

© everydaycalculation.com