Subtract 8/49 from 18/27
18/27 - 8/49 is 74/147.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 49 is 1323
Next, find the equivalent fraction of both fractional numbers with denominator 1323 - For the 1st fraction, since 27 × 49 = 1323,
18/27 = 18 × 49/27 × 49 = 882/1323 - Likewise, for the 2nd fraction, since 49 × 27 = 1323,
8/49 = 8 × 27/49 × 27 = 216/1323 - Subtract the two like fractions:
882/1323 - 216/1323 = 882 - 216/1323 = 666/1323 - 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: 36/27-8/49 18/27-16/49 18/54-8/49 18/27-8/98 54/27-8/49 18/27-24/49 18/81-8/49 90/27-8/49 18/27-40/49 18/27-56/49