Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 30/5 and 60/21

1st number: 6 0/5, 2nd number: 2 18/21

30/5 + 60/21 is 62/7.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 5 and 21 is 105

    Next, find the equivalent fraction of both fractional numbers with denominator 105
  2. For the 1st fraction, since 5 × 21 = 105,
    30/5 = 30 × 21/5 × 21 = 630/105
  3. Likewise, for the 2nd fraction, since 21 × 5 = 105,
    60/21 = 60 × 5/21 × 5 = 300/105
  4. Add the two like fractions:
    630/105 + 300/105 = 630 + 300/105 = 930/105
  5. 930/105 simplified gives 62/7
  6. So, 30/5 + 60/21 = 62/7
    In mixed form: 86/7

MathStep (Works offline)

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

Related:

© everydaycalculation.com