Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 10/4 and 21/45

1st number: 2 2/4, 2nd number: 21/45

10/4 + 21/45 is 89/30.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 45 is 180
  2. For the 1st fraction, since 4 × 45 = 180,
    10/4 = 10 × 45/4 × 45 = 450/180
  3. Likewise, for the 2nd fraction, since 45 × 4 = 180,
    21/45 = 21 × 4/45 × 4 = 84/180
  4. Add the two fractions:
    450/180 + 84/180 = 450 + 84/180 = 534/180
  5. 534/180 simplified gives 89/30
  6. So, 10/4 + 21/45 = 89/30
    In mixed form: 229/30

MathStep (Works offline)

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

Related:

© everydaycalculation.com