Subtract 80/27 from 7/4
1st number: 1 3/4, 2nd number: 2 26/27
7/4 - 80/27 is -131/108.
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,
7/4 = 7 × 27/4 × 27 = 189/108 - Likewise, for the 2nd fraction, since 27 × 4 = 108,
80/27 = 80 × 4/27 × 4 = 320/108 - Subtract the two like fractions:
189/108 - 320/108 = 189 - 320/108 = -131/108
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/4-80/27 7/8-80/27 7/4-80/54 21/4-80/27 7/12-80/27 7/4-80/81 35/4-80/27 7/20-80/27 49/4-80/27 7/28-80/27