Subtract 30/9 from 8/98
1st number: 8/98, 2nd number: 3 3/9
8/98 - 30/9 is -478/147.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 9 is 882
Next, find the equivalent fraction of both fractional numbers with denominator 882 - For the 1st fraction, since 98 × 9 = 882,
8/98 = 8 × 9/98 × 9 = 72/882 - Likewise, for the 2nd fraction, since 9 × 98 = 882,
30/9 = 30 × 98/9 × 98 = 2940/882 - Subtract the two like fractions:
72/882 - 2940/882 = 72 - 2940/882 = -2868/882 - After reducing the fraction, the answer is -478/147
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/98-30/9 8/98-60/9 8/98-30/18 24/98-30/9 8/98-90/9 8/98-30/27 40/98-30/9 8/98-30/45 56/98-30/9 8/98-30/63