Subtract 1/54 from 15/4
1st number: 3 3/4, 2nd number: 1/54
15/4 - 1/54 is 403/108.
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,
15/4 = 15 × 27/4 × 27 = 405/108 - Likewise, for the 2nd fraction, since 54 × 2 = 108,
1/54 = 1 × 2/54 × 2 = 2/108 - Subtract the two like fractions:
405/108 - 2/108 = 405 - 2/108 = 403/108 - In mixed form: 379/108
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/4-1/54 15/4-2/54 15/8-1/54 45/4-1/54 15/4-3/54 15/12-1/54 75/4-1/54 15/4-5/54 15/20-1/54 15/4-7/54 15/28-1/54