Subtract 3/54 from 4/7
4/7 - 3/54 is 65/126.
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,
4/7 = 4 × 54/7 × 54 = 216/378 - Likewise, for the 2nd fraction, since 54 × 7 = 378,
3/54 = 3 × 7/54 × 7 = 21/378 - Subtract the two like fractions:
216/378 - 21/378 = 216 - 21/378 = 195/378 - After reducing the fraction, the answer is 65/126
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/7-3/54 4/7-6/54 4/14-3/54 12/7-3/54 4/7-9/54 4/21-3/54 20/7-3/54 4/7-15/54 4/35-3/54 28/7-3/54 4/7-21/54 4/49-3/54