Subtract 30/27 from 3/4
1st number: 3/4, 2nd number: 1 3/27
3/4 - 30/27 is -13/36.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 27 is 108
Next, find the equivalent fraction of both fractional numbers with denominator 108 - For the 1st fraction, since 4 × 27 = 108,
3/4 = 3 × 27/4 × 27 = 81/108 - Likewise, for the 2nd fraction, since 27 × 4 = 108,
30/27 = 30 × 4/27 × 4 = 120/108 - Subtract the two like fractions:
81/108 - 120/108 = 81 - 120/108 = -39/108 - After reducing the fraction, the answer is -13/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/4-30/27 3/4-60/27 3/8-30/27 3/4-30/54 9/4-30/27 3/4-90/27 3/12-30/27 3/4-30/81 15/4-30/27 3/20-30/27 21/4-30/27 3/28-30/27