Subtract 7/24 from 42/27
1st number: 1 15/27, 2nd number: 7/24
42/27 - 7/24 is 91/72.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 24 is 216
Next, find the equivalent fraction of both fractional numbers with denominator 216 - For the 1st fraction, since 27 × 8 = 216,
42/27 = 42 × 8/27 × 8 = 336/216 - Likewise, for the 2nd fraction, since 24 × 9 = 216,
7/24 = 7 × 9/24 × 9 = 63/216 - Subtract the two like fractions:
336/216 - 63/216 = 336 - 63/216 = 273/216 - After reducing the fraction, the answer is 91/72
- In mixed form: 119/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/27-7/24 42/27-14/24 42/54-7/24 42/27-7/48 42/27-21/24 42/81-7/24 42/27-7/72 42/27-35/24 42/27-49/24