Subtract 7/9 from 7/54
754 - 79 is -3554.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 9 is 54
Next, find the equivalent fraction of both fractional numbers with denominator 54 - For the 1st fraction, since 54 × 1 = 54,
754 = 7 × 154 × 1 = 754 - Likewise, for the 2nd fraction, since 9 × 6 = 54,
79 = 7 × 69 × 6 = 4254 - Subtract the two like fractions:
754 - 4254 = 7 - 4254 = -3554
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/54-7/9 7/54-14/9 7/54-7/18 21/54-7/9 7/54-21/9 7/54-7/27 35/54-7/9 7/54-35/9 7/54-7/45 49/54-7/9 7/54-49/9 7/54-7/63