Add 15/24 and 42/27
1st number: 15/24, 2nd number: 1 15/27
15/24 + 42/27 is 157/72.
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,
15/24 = 15 × 9/24 × 9 = 135/216 - Likewise, for the 2nd fraction, since 27 × 8 = 216,
42/27 = 42 × 8/27 × 8 = 336/216 - Add the two like fractions:
135/216 + 336/216 = 135 + 336/216 = 471/216 - 471/216 simplified gives 157/72
- So, 15/24 + 42/27 = 157/72
In mixed form: 213/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/24+42/27 15/24+84/27 15/48+42/27 15/24+42/54 45/24+42/27 15/72+42/27 15/24+42/81 75/24+42/27