Subtract 8/49 from 12/18
12/18 - 8/49 is 74/147.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 49 is 882
Next, find the equivalent fraction of both fractional numbers with denominator 882 - For the 1st fraction, since 18 × 49 = 882,
12/18 = 12 × 49/18 × 49 = 588/882 - Likewise, for the 2nd fraction, since 49 × 18 = 882,
8/49 = 8 × 18/49 × 18 = 144/882 - Subtract the two like fractions:
588/882 - 144/882 = 588 - 144/882 = 444/882 - After reducing the fraction, the answer is 74/147
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/18-8/49 12/18-16/49 12/36-8/49 12/18-8/98 36/18-8/49 12/18-24/49 12/54-8/49 60/18-8/49 12/18-40/49 12/90-8/49 84/18-8/49 12/18-56/49