Subtract 20/54 from 10/48
10/48 - 20/54 is -35/216.
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,
10/48 = 10 × 9/48 × 9 = 90/432 - Likewise, for the 2nd fraction, since 54 × 8 = 432,
20/54 = 20 × 8/54 × 8 = 160/432 - Subtract the two like fractions:
90/432 - 160/432 = 90 - 160/432 = -70/432 - After reducing the fraction, the answer is -35/216
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/48-20/54 10/48-40/54 10/96-20/54 30/48-20/54 10/48-60/54 50/48-20/54 70/48-20/54