Add 42/24 and 20/54
1st number: 1 18/24, 2nd number: 20/54
42/24 + 20/54 is 229/108.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 54 is 216
Next, find the equivalent fraction of both fractional numbers with denominator 216 - For the 1st fraction, since 24 × 9 = 216,
42/24 = 42 × 9/24 × 9 = 378/216 - Likewise, for the 2nd fraction, since 54 × 4 = 216,
20/54 = 20 × 4/54 × 4 = 80/216 - Add the two like fractions:
378/216 + 80/216 = 378 + 80/216 = 458/216 - 458/216 simplified gives 229/108
- So, 42/24 + 20/54 = 229/108
In mixed form: 213/108
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/24+20/54 42/24+40/54 42/48+20/54 42/24+60/54 42/72+20/54