Subtract 48/27 from 21/3
1st number: 7 0/3, 2nd number: 1 21/27
21/3 - 48/27 is 47/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 27 is 27
Next, find the equivalent fraction of both fractional numbers with denominator 27 - For the 1st fraction, since 3 × 9 = 27,
21/3 = 21 × 9/3 × 9 = 189/27 - Likewise, for the 2nd fraction, since 27 × 1 = 27,
48/27 = 48 × 1/27 × 1 = 48/27 - Subtract the two like fractions:
189/27 - 48/27 = 189 - 48/27 = 141/27 - After reducing the fraction, the answer is 47/9
- In mixed form: 52/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/3-48/27 21/3-96/27 21/6-48/27 21/3-48/54 63/3-48/27 21/9-48/27 21/3-48/81 21/15-48/27