Subtract 9/16 from 49/21
1st number: 2 7/21, 2nd number: 9/16
49/21 - 9/16 is 85/48.
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,
49/21 = 49 × 16/21 × 16 = 784/336 - Likewise, for the 2nd fraction, since 16 × 21 = 336,
9/16 = 9 × 21/16 × 21 = 189/336 - Subtract the two like fractions:
784/336 - 189/336 = 784 - 189/336 = 595/336 - After reducing the fraction, the answer is 85/48
- In mixed form: 137/48
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/21-9/16 49/21-18/16 49/42-9/16 49/21-9/32 49/21-27/16 49/63-9/16 49/21-9/48 49/21-45/16 49/21-9/80 49/21-63/16