Subtract 36/27 from 42/8
1st number: 5 2/8, 2nd number: 1 9/27
42/8 - 36/27 is 47/12.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 27 is 216
Next, find the equivalent fraction of both fractional numbers with denominator 216 - For the 1st fraction, since 8 × 27 = 216,
42/8 = 42 × 27/8 × 27 = 1134/216 - Likewise, for the 2nd fraction, since 27 × 8 = 216,
36/27 = 36 × 8/27 × 8 = 288/216 - Subtract the two like fractions:
1134/216 - 288/216 = 1134 - 288/216 = 846/216 - After reducing the fraction, the answer is 47/12
- In mixed form: 311/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/8-36/27 42/8-72/27 42/16-36/27 42/8-36/54 42/24-36/27 42/8-36/81 42/40-36/27 42/56-36/27