Add 15/4 and 84/24
1st number: 3 3/4, 2nd number: 3 12/24
15/4 + 84/24 is 29/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 24 is 24
Next, find the equivalent fraction of both fractional numbers with denominator 24 - For the 1st fraction, since 4 × 6 = 24,
15/4 = 15 × 6/4 × 6 = 90/24 - Likewise, for the 2nd fraction, since 24 × 1 = 24,
84/24 = 84 × 1/24 × 1 = 84/24 - Add the two like fractions:
90/24 + 84/24 = 90 + 84/24 = 174/24 - 174/24 simplified gives 29/4
- So, 15/4 + 84/24 = 29/4
In mixed form: 71/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/4+84/24 15/8+84/24 15/4+84/48 45/4+84/24 15/12+84/24 15/4+84/72 75/4+84/24 15/20+84/24 15/28+84/24