Subtract 42/8 from 1/27
1st number: 1/27, 2nd number: 5 2/8
1/27 - 42/8 is -563/108.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 8 is 216
Next, find the equivalent fraction of both fractional numbers with denominator 216 - For the 1st fraction, since 27 × 8 = 216,
1/27 = 1 × 8/27 × 8 = 8/216 - Likewise, for the 2nd fraction, since 8 × 27 = 216,
42/8 = 42 × 27/8 × 27 = 1134/216 - Subtract the two like fractions:
8/216 - 1134/216 = 8 - 1134/216 = -1126/216 - After reducing the fraction, the answer is -563/108
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/27-42/8 1/27-84/8 1/54-42/8 1/27-42/16 3/27-42/8 1/81-42/8 1/27-42/24 5/27-42/8 1/27-42/40 7/27-42/8 1/27-42/56