Subtract 30/10 from 30/98
1st number: 30/98, 2nd number: 3 0/10
30/98 - 30/10 is -132/49.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 10 is 490
Next, find the equivalent fraction of both fractional numbers with denominator 490 - For the 1st fraction, since 98 × 5 = 490,
30/98 = 30 × 5/98 × 5 = 150/490 - Likewise, for the 2nd fraction, since 10 × 49 = 490,
30/10 = 30 × 49/10 × 49 = 1470/490 - Subtract the two like fractions:
150/490 - 1470/490 = 150 - 1470/490 = -1320/490 - After reducing the fraction, the answer is -132/49
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/98-30/10 30/98-60/10 30/98-30/20 90/98-30/10 30/98-90/10 30/98-30/50 30/98-30/70