Subtract 10/36 from 7/49
7/49 - 10/36 is -17/126.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 36 is 1764
Next, find the equivalent fraction of both fractional numbers with denominator 1764 - For the 1st fraction, since 49 × 36 = 1764,
7/49 = 7 × 36/49 × 36 = 252/1764 - Likewise, for the 2nd fraction, since 36 × 49 = 1764,
10/36 = 10 × 49/36 × 49 = 490/1764 - Subtract the two like fractions:
252/1764 - 490/1764 = 252 - 490/1764 = -238/1764 - After reducing the fraction, the answer is -17/126
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/49-10/36 7/49-20/36 7/98-10/36 7/49-10/72 21/49-10/36 7/49-30/36 35/49-10/36 7/49-50/36 7/49-70/36