Subtract 7/54 from 7/10
7/10 - 7/54 is 77/135.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 54 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 10 × 27 = 270,
7/10 = 7 × 27/10 × 27 = 189/270 - Likewise, for the 2nd fraction, since 54 × 5 = 270,
7/54 = 7 × 5/54 × 5 = 35/270 - Subtract the two like fractions:
189/270 - 35/270 = 189 - 35/270 = 154/270 - After reducing the fraction, the answer is 77/135
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/10-7/54 7/10-14/54 7/20-7/54 21/10-7/54 7/10-21/54 7/30-7/54 35/10-7/54 7/10-35/54 7/50-7/54 49/10-7/54 7/10-49/54 7/70-7/54