Subtract 75/9 from 16/28
1st number: 16/28, 2nd number: 8 3/9
16/28 - 75/9 is -163/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 9 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 28 × 9 = 252,
16/28 = 16 × 9/28 × 9 = 144/252 - Likewise, for the 2nd fraction, since 9 × 28 = 252,
75/9 = 75 × 28/9 × 28 = 2100/252 - Subtract the two like fractions:
144/252 - 2100/252 = 144 - 2100/252 = -1956/252 - After reducing the fraction, the answer is -163/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/28-75/9 16/56-75/9 16/28-75/18 48/28-75/9 16/84-75/9 16/28-75/27 80/28-75/9 16/28-75/45 16/28-75/63