Subtract 8/18 from 4/49
4/49 - 8/18 is -160/441.
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,
4/49 = 4 × 18/49 × 18 = 72/882 - Likewise, for the 2nd fraction, since 18 × 49 = 882,
8/18 = 8 × 49/18 × 49 = 392/882 - Subtract the two like fractions:
72/882 - 392/882 = 72 - 392/882 = -320/882 - After reducing the fraction, the answer is -160/441
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/49-8/18 4/49-16/18 4/98-8/18 4/49-8/36 12/49-8/18 4/49-24/18 4/49-8/54 20/49-8/18 4/49-40/18 4/49-8/90 28/49-8/18 4/49-56/18