Subtract 16/18 from 16/49
16/49 - 16/18 is -248/441.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 18 is 882
Next, find the equivalent fraction of both fractional numbers with denominator 882 - For the 1st fraction, since 49 × 18 = 882,
16/49 = 16 × 18/49 × 18 = 288/882 - Likewise, for the 2nd fraction, since 18 × 49 = 882,
16/18 = 16 × 49/18 × 49 = 784/882 - Subtract the two like fractions:
288/882 - 784/882 = 288 - 784/882 = -496/882 - After reducing the fraction, the answer is -248/441
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/49-16/18 16/49-32/18 16/98-16/18 16/49-16/36 48/49-16/18 16/49-48/18 16/49-16/54 80/49-16/18 16/49-80/18 16/49-16/90