Subtract 1/16 from 21/9
1st number: 2 3/9, 2nd number: 1/16
21/9 - 1/16 is 109/48.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 16 is 144
Next, find the equivalent fraction of both fractional numbers with denominator 144 - For the 1st fraction, since 9 × 16 = 144,
21/9 = 21 × 16/9 × 16 = 336/144 - Likewise, for the 2nd fraction, since 16 × 9 = 144,
1/16 = 1 × 9/16 × 9 = 9/144 - Subtract the two like fractions:
336/144 - 9/144 = 336 - 9/144 = 327/144 - After reducing the fraction, the answer is 109/48
- In mixed form: 213/48
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/9-1/16 21/9-2/16 21/18-1/16 21/9-1/32 63/9-1/16 21/9-3/16 21/27-1/16 21/9-1/48 21/9-5/16 21/45-1/16 21/9-1/80 21/9-7/16 21/63-1/16