Subtract 42/27 from 4/49
1st number: 4/49, 2nd number: 1 15/27
4/49 - 42/27 is -650/441.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 27 is 1323
Next, find the equivalent fraction of both fractional numbers with denominator 1323 - For the 1st fraction, since 49 × 27 = 1323,
4/49 = 4 × 27/49 × 27 = 108/1323 - Likewise, for the 2nd fraction, since 27 × 49 = 1323,
42/27 = 42 × 49/27 × 49 = 2058/1323 - Subtract the two like fractions:
108/1323 - 2058/1323 = 108 - 2058/1323 = -1950/1323 - After reducing the fraction, the answer is -650/441
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/49-42/27 4/49-84/27 4/98-42/27 4/49-42/54 12/49-42/27 4/49-42/81 20/49-42/27 28/49-42/27