Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 81/16 and 90/35

1st number: 5 1/16, 2nd number: 2 20/35

81/16 + 90/35 is 855/112.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 16 and 35 is 560

    Next, find the equivalent fraction of both fractional numbers with denominator 560
  2. For the 1st fraction, since 16 × 35 = 560,
    81/16 = 81 × 35/16 × 35 = 2835/560
  3. Likewise, for the 2nd fraction, since 35 × 16 = 560,
    90/35 = 90 × 16/35 × 16 = 1440/560
  4. Add the two like fractions:
    2835/560 + 1440/560 = 2835 + 1440/560 = 4275/560
  5. 4275/560 simplified gives 855/112
  6. So, 81/16 + 90/35 = 855/112
    In mixed form: 771/112

MathStep (Works offline)

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

Related:

© everydaycalculation.com