Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 54/21 and 2/30

1st number: 2 12/21, 2nd number: 2/30

54/21 + 2/30 is 277/105.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 30 is 210

    Next, find the equivalent fraction of both fractional numbers with denominator 210
  2. For the 1st fraction, since 21 × 10 = 210,
    54/21 = 54 × 10/21 × 10 = 540/210
  3. Likewise, for the 2nd fraction, since 30 × 7 = 210,
    2/30 = 2 × 7/30 × 7 = 14/210
  4. Add the two like fractions:
    540/210 + 14/210 = 540 + 14/210 = 554/210
  5. 554/210 simplified gives 277/105
  6. So, 54/21 + 2/30 = 277/105
    In mixed form: 267/105

MathStep (Works offline)

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

Related:

© everydaycalculation.com