Subtract 30/98 from 2/5
2/5 - 30/98 is 23/245.
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,
2/5 = 2 × 98/5 × 98 = 196/490 - Likewise, for the 2nd fraction, since 98 × 5 = 490,
30/98 = 30 × 5/98 × 5 = 150/490 - Subtract the two like fractions:
196/490 - 150/490 = 196 - 150/490 = 46/490 - After reducing the fraction, the answer is 23/245
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/5-30/98 2/5-60/98 2/10-30/98 6/5-30/98 2/5-90/98 2/15-30/98 10/5-30/98 2/25-30/98 14/5-30/98 2/35-30/98