Subtract 45/18 from 1/49
1st number: 1/49, 2nd number: 2 9/18
1/49 - 45/18 is -243/98.
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,
1/49 = 1 × 18/49 × 18 = 18/882 - Likewise, for the 2nd fraction, since 18 × 49 = 882,
45/18 = 45 × 49/18 × 49 = 2205/882 - Subtract the two like fractions:
18/882 - 2205/882 = 18 - 2205/882 = -2187/882 - After reducing the fraction, the answer is -243/98
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/49-45/18 1/49-90/18 1/98-45/18 1/49-45/36 3/49-45/18 1/49-45/54 5/49-45/18 1/49-45/90 7/49-45/18