Subtract 80/54 from 7/4
1st number: 1 3/4, 2nd number: 1 26/54
7/4 - 80/54 is 29/108.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 54 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 54 × 2 = 108,
80/54 = 80 × 2/54 × 2 = 160/108 - Subtract the two like fractions:
189/108 - 160/108 = 189 - 160/108 = 29/108
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/4-80/54 7/8-80/54 21/4-80/54 7/12-80/54 35/4-80/54 7/20-80/54 49/4-80/54 7/28-80/54