Add 25/24 and 21/27
1st number: 1 1/24, 2nd number: 21/27
25/24 + 21/27 is 131/72.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 27 is 216
Next, find the equivalent fraction of both fractional numbers with denominator 216 - For the 1st fraction, since 24 × 9 = 216,
25/24 = 25 × 9/24 × 9 = 225/216 - Likewise, for the 2nd fraction, since 27 × 8 = 216,
21/27 = 21 × 8/27 × 8 = 168/216 - Add the two like fractions:
225/216 + 168/216 = 225 + 168/216 = 393/216 - 393/216 simplified gives 131/72
- So, 25/24 + 21/27 = 131/72
In mixed form: 159/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/24+21/27 25/24+42/27 25/48+21/27 25/24+21/54 75/24+21/27 25/24+63/27 25/72+21/27 25/24+21/81