Subtract 5/98 from 81/5
1st number: 16 1/5, 2nd number: 5/98
81/5 - 5/98 is 7913/490.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 98 is 490
Next, find the equivalent fraction of both fractional numbers with denominator 490 - For the 1st fraction, since 5 × 98 = 490,
81/5 = 81 × 98/5 × 98 = 7938/490 - Likewise, for the 2nd fraction, since 98 × 5 = 490,
5/98 = 5 × 5/98 × 5 = 25/490 - Subtract the two like fractions:
7938/490 - 25/490 = 7938 - 25/490 = 7913/490 - In mixed form: 1673/490
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/5-10/98 81/10-5/98 81/5-15/98 81/15-5/98 81/5-25/98 81/25-5/98 81/5-35/98 81/35-5/98