Subtract 30/49 from 1/10
1/10 - 30/49 is -251/490.
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,
1/10 = 1 × 49/10 × 49 = 49/490 - Likewise, for the 2nd fraction, since 49 × 10 = 490,
30/49 = 30 × 10/49 × 10 = 300/490 - Subtract the two like fractions:
49/490 - 300/490 = 49 - 300/490 = -251/490
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/10-30/49 1/10-60/49 1/20-30/49 1/10-30/98 3/10-30/49 1/10-90/49 1/30-30/49 5/10-30/49 1/50-30/49 7/10-30/49 1/70-30/49