Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 63/42 and 10/81

1st number: 1 21/42, 2nd number: 10/81

63/42 + 10/81 is 263/162.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 81 is 1134

    Next, find the equivalent fraction of both fractional numbers with denominator 1134
  2. For the 1st fraction, since 42 × 27 = 1134,
    63/42 = 63 × 27/42 × 27 = 1701/1134
  3. Likewise, for the 2nd fraction, since 81 × 14 = 1134,
    10/81 = 10 × 14/81 × 14 = 140/1134
  4. Add the two like fractions:
    1701/1134 + 140/1134 = 1701 + 140/1134 = 1841/1134
  5. 1841/1134 simplified gives 263/162
  6. So, 63/42 + 10/81 = 263/162
    In mixed form: 1101/162

MathStep (Works offline)

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

Related:

© everydaycalculation.com