Subtract 10/48 from 21/27
21/27 - 10/48 is 41/72.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 48 is 432
Next, find the equivalent fraction of both fractional numbers with denominator 432 - For the 1st fraction, since 27 × 16 = 432,
21/27 = 21 × 16/27 × 16 = 336/432 - Likewise, for the 2nd fraction, since 48 × 9 = 432,
10/48 = 10 × 9/48 × 9 = 90/432 - Subtract the two like fractions:
336/432 - 90/432 = 336 - 90/432 = 246/432 - After reducing the fraction, the answer is 41/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/27-10/48 21/27-20/48 21/54-10/48 21/27-10/96 63/27-10/48 21/27-30/48 21/81-10/48 21/27-50/48 21/27-70/48