Subtract 10/54 from 30/4
1st number: 7 2/4, 2nd number: 10/54
30/4 - 10/54 is 395/54.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 54 is 108
Next, find the equivalent fraction of both fractional numbers with denominator 108 - For the 1st fraction, since 4 × 27 = 108,
30/4 = 30 × 27/4 × 27 = 810/108 - Likewise, for the 2nd fraction, since 54 × 2 = 108,
10/54 = 10 × 2/54 × 2 = 20/108 - Subtract the two like fractions:
810/108 - 20/108 = 810 - 20/108 = 790/108 - After reducing the fraction, the answer is 395/54
- In mixed form: 717/54
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/4-10/54 30/4-20/54 30/8-10/54 90/4-10/54 30/4-30/54 30/12-10/54 30/4-50/54 30/20-10/54 30/4-70/54 30/28-10/54