Subtract 28/49 from 3/36
3/36 - 28/49 is -41/84.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 49 is 1764
Next, find the equivalent fraction of both fractional numbers with denominator 1764 - For the 1st fraction, since 36 × 49 = 1764,
3/36 = 3 × 49/36 × 49 = 147/1764 - Likewise, for the 2nd fraction, since 49 × 36 = 1764,
28/49 = 28 × 36/49 × 36 = 1008/1764 - Subtract the two like fractions:
147/1764 - 1008/1764 = 147 - 1008/1764 = -861/1764 - After reducing the fraction, the answer is -41/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/36-28/49 3/36-56/49 3/72-28/49 3/36-28/98 9/36-28/49 3/36-84/49 15/36-28/49 21/36-28/49