Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 90/60 and 5/81

1st number: 1 30/60, 2nd number: 5/81

90/60 + 5/81 is 253/162.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 60 and 81 is 1620

    Next, find the equivalent fraction of both fractional numbers with denominator 1620
  2. For the 1st fraction, since 60 × 27 = 1620,
    90/60 = 90 × 27/60 × 27 = 2430/1620
  3. Likewise, for the 2nd fraction, since 81 × 20 = 1620,
    5/81 = 5 × 20/81 × 20 = 100/1620
  4. Add the two like fractions:
    2430/1620 + 100/1620 = 2430 + 100/1620 = 2530/1620
  5. 2530/1620 simplified gives 253/162
  6. So, 90/60 + 5/81 = 253/162
    In mixed form: 191/162

MathStep (Works offline)

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

Related:

© everydaycalculation.com