Subtract 7/10 from 15/49
15/49 - 7/10 is -193/490.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 10 is 490
Next, find the equivalent fraction of both fractional numbers with denominator 490 - For the 1st fraction, since 49 × 10 = 490,
15/49 = 15 × 10/49 × 10 = 150/490 - Likewise, for the 2nd fraction, since 10 × 49 = 490,
7/10 = 7 × 49/10 × 49 = 343/490 - Subtract the two like fractions:
150/490 - 343/490 = 150 - 343/490 = -193/490
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/49-7/10 15/49-14/10 15/98-7/10 15/49-7/20 45/49-7/10 15/49-21/10 15/49-7/30 75/49-7/10 15/49-35/10 15/49-7/50 15/49-49/10 15/49-7/70