Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 81/42 and 9/32

1st number: 1 39/42, 2nd number: 9/32

81/42 + 9/32 is 495/224.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 32 is 672

    Next, find the equivalent fraction of both fractional numbers with denominator 672
  2. For the 1st fraction, since 42 × 16 = 672,
    81/42 = 81 × 16/42 × 16 = 1296/672
  3. Likewise, for the 2nd fraction, since 32 × 21 = 672,
    9/32 = 9 × 21/32 × 21 = 189/672
  4. Add the two like fractions:
    1296/672 + 189/672 = 1296 + 189/672 = 1485/672
  5. 1485/672 simplified gives 495/224
  6. So, 81/42 + 9/32 = 495/224
    In mixed form: 247/224

MathStep (Works offline)

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

Related:

© everydaycalculation.com