Subtract 7/54 from 30/14
1st number: 2 2/14, 2nd number: 7/54
30/14 - 7/54 is 761/378.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 54 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 14 × 27 = 378,
30/14 = 30 × 27/14 × 27 = 810/378 - Likewise, for the 2nd fraction, since 54 × 7 = 378,
7/54 = 7 × 7/54 × 7 = 49/378 - Subtract the two like fractions:
810/378 - 49/378 = 810 - 49/378 = 761/378 - In mixed form: 25/378
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/14-7/54 30/14-14/54 30/28-7/54 90/14-7/54 30/14-21/54 30/42-7/54 30/14-35/54 30/70-7/54 30/14-49/54 30/98-7/54