Subtract 30/54 from 30/48
30/48 - 30/54 is 5/72.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 54 is 432
Next, find the equivalent fraction of both fractional numbers with denominator 432 - For the 1st fraction, since 48 × 9 = 432,
30/48 = 30 × 9/48 × 9 = 270/432 - Likewise, for the 2nd fraction, since 54 × 8 = 432,
30/54 = 30 × 8/54 × 8 = 240/432 - Subtract the two like fractions:
270/432 - 240/432 = 270 - 240/432 = 30/432 - After reducing the fraction, the answer is 5/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/48-30/54 30/48-60/54 30/96-30/54 90/48-30/54 30/48-90/54