Subtract 49/4 from 30/27
1st number: 1 3/27, 2nd number: 12 1/4
30/27 - 49/4 is -401/36.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 4 is 108
Next, find the equivalent fraction of both fractional numbers with denominator 108 - For the 1st fraction, since 27 × 4 = 108,
30/27 = 30 × 4/27 × 4 = 120/108 - Likewise, for the 2nd fraction, since 4 × 27 = 108,
49/4 = 49 × 27/4 × 27 = 1323/108 - Subtract the two like fractions:
120/108 - 1323/108 = 120 - 1323/108 = -1203/108 - After reducing the fraction, the answer is -401/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/27-49/4 30/27-98/4 30/54-49/4 30/27-49/8 90/27-49/4 30/81-49/4 30/27-49/12 30/27-49/20 30/27-49/28