Subtract 7/10 from 5/54
5/54 - 7/10 is -82/135.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 10 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 54 × 5 = 270,
5/54 = 5 × 5/54 × 5 = 25/270 - Likewise, for the 2nd fraction, since 10 × 27 = 270,
7/10 = 7 × 27/10 × 27 = 189/270 - Subtract the two like fractions:
25/270 - 189/270 = 25 - 189/270 = -164/270 - After reducing the fraction, the answer is -82/135
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/54-7/10 5/54-14/10 5/54-7/20 15/54-7/10 5/54-21/10 5/54-7/30 25/54-7/10 5/54-35/10 5/54-7/50 35/54-7/10 5/54-49/10 5/54-7/70