Add 42/24 and 63/54
1st number: 1 18/24, 2nd number: 1 9/54
42/24 + 63/54 is 35/12.
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,
63/54 = 63 × 4/54 × 4 = 252/216 - Add the two like fractions:
378/216 + 252/216 = 378 + 252/216 = 630/216 - 630/216 simplified gives 35/12
- So, 42/24 + 63/54 = 35/12
In mixed form: 211/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/24+63/54 42/48+63/54 42/72+63/54