Subtract 30/49 from 18/10
1st number: 1 8/10, 2nd number: 30/49
18/10 - 30/49 is 291/245.
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,
18/10 = 18 × 49/10 × 49 = 882/490 - Likewise, for the 2nd fraction, since 49 × 10 = 490,
30/49 = 30 × 10/49 × 10 = 300/490 - Subtract the two like fractions:
882/490 - 300/490 = 882 - 300/490 = 582/490 - After reducing the fraction, the answer is 291/245
- In mixed form: 146/245
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/10-30/49 18/10-60/49 18/20-30/49 18/10-30/98 54/10-30/49 18/10-90/49 18/30-30/49 90/10-30/49 18/50-30/49 18/70-30/49