Subtract 30/98 from 90/8
1st number: 11 2/8, 2nd number: 30/98
90/8 - 30/98 is 2145/196.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 98 is 392
Next, find the equivalent fraction of both fractional numbers with denominator 392 - For the 1st fraction, since 8 × 49 = 392,
90/8 = 90 × 49/8 × 49 = 4410/392 - Likewise, for the 2nd fraction, since 98 × 4 = 392,
30/98 = 30 × 4/98 × 4 = 120/392 - Subtract the two like fractions:
4410/392 - 120/392 = 4410 - 120/392 = 4290/392 - After reducing the fraction, the answer is 2145/196
- In mixed form: 10185/196
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/8-60/98 90/16-30/98 90/8-90/98 90/24-30/98 90/40-30/98 90/56-30/98