Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 40/7 and 45/30

1st number: 5 5/7, 2nd number: 1 15/30

40/7 + 45/30 is 101/14.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 7 and 30 is 210

    Next, find the equivalent fraction of both fractional numbers with denominator 210
  2. For the 1st fraction, since 7 × 30 = 210,
    40/7 = 40 × 30/7 × 30 = 1200/210
  3. Likewise, for the 2nd fraction, since 30 × 7 = 210,
    45/30 = 45 × 7/30 × 7 = 315/210
  4. Add the two like fractions:
    1200/210 + 315/210 = 1200 + 315/210 = 1515/210
  5. 1515/210 simplified gives 101/14
  6. So, 40/7 + 45/30 = 101/14
    In mixed form: 73/14

MathStep (Works offline)

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

Related:

© everydaycalculation.com