Subtract 3/49 from 7/10
7/10 - 3/49 is 313/490.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 49 is 490
Next, find the equivalent fraction of both fractional numbers with denominator 490 - For the 1st fraction, since 10 × 49 = 490,
7/10 = 7 × 49/10 × 49 = 343/490 - Likewise, for the 2nd fraction, since 49 × 10 = 490,
3/49 = 3 × 10/49 × 10 = 30/490 - Subtract the two like fractions:
343/490 - 30/490 = 343 - 30/490 = 313/490
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/10-3/49 7/10-6/49 7/20-3/49 7/10-3/98 21/10-3/49 7/10-9/49 7/30-3/49 35/10-3/49 7/10-15/49 7/50-3/49 49/10-3/49 7/10-21/49 7/70-3/49