Subtract 5/27 from 42/24
1st number: 1 18/24, 2nd number: 5/27
42/24 - 5/27 is 169/108.
Steps for subtracting 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,
42/24 = 42 × 9/24 × 9 = 378/216 - Likewise, for the 2nd fraction, since 27 × 8 = 216,
5/27 = 5 × 8/27 × 8 = 40/216 - Subtract the two like fractions:
378/216 - 40/216 = 378 - 40/216 = 338/216 - After reducing the fraction, the answer is 169/108
- In mixed form: 161/108
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/24-5/27 42/24-10/27 42/48-5/27 42/24-5/54 42/24-15/27 42/72-5/27 42/24-5/81 42/24-25/27 42/24-35/27