Subtract 27/16 from 75/21
1st number: 3 12/21, 2nd number: 1 11/16
75/21 - 27/16 is 211/112.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 16 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 21 × 16 = 336,
75/21 = 75 × 16/21 × 16 = 1200/336 - Likewise, for the 2nd fraction, since 16 × 21 = 336,
27/16 = 27 × 21/16 × 21 = 567/336 - Subtract the two like fractions:
1200/336 - 567/336 = 1200 - 567/336 = 633/336 - After reducing the fraction, the answer is 211/112
- In mixed form: 199/112
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/21-54/16 75/42-27/16 75/21-27/32 75/21-81/16 75/63-27/16 75/21-27/48 75/21-27/80