Subtract 10/27 from 21/4
1st number: 5 1/4, 2nd number: 10/27
21/4 - 10/27 is 527/108.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 27 is 108
Next, find the equivalent fraction of both fractional numbers with denominator 108 - For the 1st fraction, since 4 × 27 = 108,
21/4 = 21 × 27/4 × 27 = 567/108 - Likewise, for the 2nd fraction, since 27 × 4 = 108,
10/27 = 10 × 4/27 × 4 = 40/108 - Subtract the two like fractions:
567/108 - 40/108 = 567 - 40/108 = 527/108 - In mixed form: 495/108
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/4-10/27 21/4-20/27 21/8-10/27 21/4-10/54 63/4-10/27 21/4-30/27 21/12-10/27 21/4-10/81 21/4-50/27 21/20-10/27 21/4-70/27 21/28-10/27