Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 25/2 and 21/60

1st number: 12 1/2, 2nd number: 21/60

25/2 + 21/60 is 257/20.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 60 is 60
  2. For the 1st fraction, since 2 × 30 = 60,
    25/2 = 25 × 30/2 × 30 = 750/60
  3. Likewise, for the 2nd fraction, since 60 × 1 = 60,
    21/60 = 21 × 1/60 × 1 = 21/60
  4. Add the two fractions:
    750/60 + 21/60 = 750 + 21/60 = 771/60
  5. 771/60 simplified gives 257/20
  6. So, 25/2 + 21/60 = 257/20
    In mixed form: 1217/20

MathStep (Works offline)

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

Related:

© everydaycalculation.com