Subtract 15/49 from 12/36
12/36 - 15/49 is 4/147.
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,
12/36 = 12 × 49/36 × 49 = 588/1764 - Likewise, for the 2nd fraction, since 49 × 36 = 1764,
15/49 = 15 × 36/49 × 36 = 540/1764 - Subtract the two like fractions:
588/1764 - 540/1764 = 588 - 540/1764 = 48/1764 - After reducing the fraction, the answer is 4/147
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/36-15/49 12/36-30/49 12/72-15/49 12/36-15/98 12/36-45/49 60/36-15/49 12/36-75/49 84/36-15/49