Add 25/24 and 21/18
1st number: 1 1/24, 2nd number: 1 3/18
25/24 + 21/18 is 53/24.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 18 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 24 × 3 = 72,
25/24 = 25 × 3/24 × 3 = 75/72 - Likewise, for the 2nd fraction, since 18 × 4 = 72,
21/18 = 21 × 4/18 × 4 = 84/72 - Add the two like fractions:
75/72 + 84/72 = 75 + 84/72 = 159/72 - 159/72 simplified gives 53/24
- So, 25/24 + 21/18 = 53/24
In mixed form: 25/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/24+21/18 25/24+42/18 25/48+21/18 25/24+21/36 75/24+21/18 25/24+63/18 25/72+21/18 25/24+21/54 25/24+21/90