Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Add fractions

Add 84/10 and 84/42

1st number: 8 4/10, 2nd number: 2 0/42

84/10 + 84/42 is 52/5.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 42 is 210
  2. For the 1st fraction, since 10 × 21 = 210,
    84/10 = 84 × 21/10 × 21 = 1764/210
  3. Likewise, for the 2nd fraction, since 42 × 5 = 210,
    84/42 = 84 × 5/42 × 5 = 420/210
  4. Add the two fractions:
    1764/210 + 420/210 = 1764 + 420/210 = 2184/210
  5. After reducing the fraction, the answer is 52/5
  6. In mixed form: 102/5

MathStep (Works offline)

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

Related:

© everydaycalculation.com