Subtract 4/54 from 30/7
1st number: 4 2/7, 2nd number: 4/54
30/7 - 4/54 is 796/189.
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,
30/7 = 30 × 54/7 × 54 = 1620/378 - Likewise, for the 2nd fraction, since 54 × 7 = 378,
4/54 = 4 × 7/54 × 7 = 28/378 - Subtract the two like fractions:
1620/378 - 28/378 = 1620 - 28/378 = 1592/378 - After reducing the fraction, the answer is 796/189
- In mixed form: 440/189
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/7-4/54 30/7-8/54 30/14-4/54 90/7-4/54 30/7-12/54 30/21-4/54 30/7-20/54 30/35-4/54 30/7-28/54 30/49-4/54