Subtract 16/54 from 3/7
3/7 - 16/54 is 25/189.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 54 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 7 × 54 = 378,
3/7 = 3 × 54/7 × 54 = 162/378 - Likewise, for the 2nd fraction, since 54 × 7 = 378,
16/54 = 16 × 7/54 × 7 = 112/378 - Subtract the two like fractions:
162/378 - 112/378 = 162 - 112/378 = 50/378 - After reducing the fraction, the answer is 25/189
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/7-16/54 3/7-32/54 3/14-16/54 9/7-16/54 3/7-48/54 3/21-16/54 15/7-16/54 3/7-80/54 3/35-16/54 21/7-16/54 3/49-16/54