Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 81/10 and 30/16

1st number: 8 1/10, 2nd number: 1 14/16

81/10 + 30/16 is 399/40.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 16 is 80

    Next, find the equivalent fraction of both fractional numbers with denominator 80
  2. For the 1st fraction, since 10 × 8 = 80,
    81/10 = 81 × 8/10 × 8 = 648/80
  3. Likewise, for the 2nd fraction, since 16 × 5 = 80,
    30/16 = 30 × 5/16 × 5 = 150/80
  4. Add the two like fractions:
    648/80 + 150/80 = 648 + 150/80 = 798/80
  5. 798/80 simplified gives 399/40
  6. So, 81/10 + 30/16 = 399/40
    In mixed form: 939/40

MathStep (Works offline)

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

Related:

© everydaycalculation.com