Subtract 28/16 from 15/49
1st number: 15/49, 2nd number: 1 12/16
15/49 - 28/16 is -283/196.
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,
28/16 = 28 × 49/16 × 49 = 1372/784 - Subtract the two like fractions:
240/784 - 1372/784 = 240 - 1372/784 = -1132/784 - After reducing the fraction, the answer is -283/196
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/49-28/16 15/49-56/16 15/98-28/16 15/49-28/32 45/49-28/16 15/49-84/16 15/49-28/48 75/49-28/16 15/49-28/80