Subtract 3/10 from 25/49
25/49 - 3/10 is 103/490.
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,
25/49 = 25 × 10/49 × 10 = 250/490 - Likewise, for the 2nd fraction, since 10 × 49 = 490,
3/10 = 3 × 49/10 × 49 = 147/490 - Subtract the two like fractions:
250/490 - 147/490 = 250 - 147/490 = 103/490
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/49-3/10 25/49-6/10 25/98-3/10 25/49-3/20 75/49-3/10 25/49-9/10 25/49-3/30 25/49-15/10 25/49-3/50 25/49-21/10 25/49-3/70