Subtract 49/8 from 30/27
1st number: 1 3/27, 2nd number: 6 1/8
30/27 - 49/8 is -361/72.
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,
30/27 = 30 × 8/27 × 8 = 240/216 - Likewise, for the 2nd fraction, since 8 × 27 = 216,
49/8 = 49 × 27/8 × 27 = 1323/216 - Subtract the two like fractions:
240/216 - 1323/216 = 240 - 1323/216 = -1083/216 - After reducing the fraction, the answer is -361/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/27-49/8 30/27-98/8 30/54-49/8 30/27-49/16 90/27-49/8 30/81-49/8 30/27-49/24 30/27-49/40 30/27-49/56