Subtract 84/18 from 8/49
1st number: 8/49, 2nd number: 4 12/18
8/49 - 84/18 is -662/147.
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,
8/49 = 8 × 18/49 × 18 = 144/882 - Likewise, for the 2nd fraction, since 18 × 49 = 882,
84/18 = 84 × 49/18 × 49 = 4116/882 - Subtract the two like fractions:
144/882 - 4116/882 = 144 - 4116/882 = -3972/882 - After reducing the fraction, the answer is -662/147
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/49-84/18 8/98-84/18 8/49-84/36 24/49-84/18 8/49-84/54 40/49-84/18 8/49-84/90 56/49-84/18