Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Add fractions

Add 28/30 and 54/42

1st number: 28/30, 2nd number: 1 12/42

28/30 + 54/42 is 233/105.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 42 is 210
  2. For the 1st fraction, since 30 × 7 = 210,
    28/30 = 28 × 7/30 × 7 = 196/210
  3. Likewise, for the 2nd fraction, since 42 × 5 = 210,
    54/42 = 54 × 5/42 × 5 = 270/210
  4. Add the two fractions:
    196/210 + 270/210 = 196 + 270/210 = 466/210
  5. After reducing the fraction, the answer is 233/105
  6. In mixed form: 223/105

MathStep (Works offline)

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

Related:

© everydaycalculation.com