Subtract 8/16 from 15/49
15/49 - 8/16 is -19/98.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 16 is 784
Next, find the equivalent fraction of both fractional numbers with denominator 784 - For the 1st fraction, since 49 × 16 = 784,
15/49 = 15 × 16/49 × 16 = 240/784 - Likewise, for the 2nd fraction, since 16 × 49 = 784,
8/16 = 8 × 49/16 × 49 = 392/784 - Subtract the two like fractions:
240/784 - 392/784 = 240 - 392/784 = -152/784 - After reducing the fraction, the answer is -19/98
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/49-8/16 15/98-8/16 15/49-8/32 45/49-8/16 15/49-24/16 15/49-8/48 75/49-8/16 15/49-40/16 15/49-8/80 15/49-56/16