Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 21/5 and 18/32

1st number: 4 1/5, 2nd number: 18/32

21/5 + 18/32 is 381/80.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 5 and 32 is 160

    Next, find the equivalent fraction of both fractional numbers with denominator 160
  2. For the 1st fraction, since 5 × 32 = 160,
    21/5 = 21 × 32/5 × 32 = 672/160
  3. Likewise, for the 2nd fraction, since 32 × 5 = 160,
    18/32 = 18 × 5/32 × 5 = 90/160
  4. Add the two like fractions:
    672/160 + 90/160 = 672 + 90/160 = 762/160
  5. 762/160 simplified gives 381/80
  6. So, 21/5 + 18/32 = 381/80
    In mixed form: 461/80

MathStep (Works offline)

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

Related:

© everydaycalculation.com