Add 21/24 and 84/25
1st number: 21/24, 2nd number: 3 9/25
21/24 + 84/25 is 847/200.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 25 is 600
Next, find the equivalent fraction of both fractional numbers with denominator 600 - For the 1st fraction, since 24 × 25 = 600,
21/24 = 21 × 25/24 × 25 = 525/600 - Likewise, for the 2nd fraction, since 25 × 24 = 600,
84/25 = 84 × 24/25 × 24 = 2016/600 - Add the two like fractions:
525/600 + 2016/600 = 525 + 2016/600 = 2541/600 - 2541/600 simplified gives 847/200
- So, 21/24 + 84/25 = 847/200
In mixed form: 447/200
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/24+84/25 21/48+84/25 21/24+84/50 63/24+84/25 21/72+84/25 21/24+84/75