Subtract 4/10 from 40/98
40/98 - 4/10 is 2/245.
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,
40/98 = 40 × 5/98 × 5 = 200/490 - Likewise, for the 2nd fraction, since 10 × 49 = 490,
4/10 = 4 × 49/10 × 49 = 196/490 - Subtract the two like fractions:
200/490 - 196/490 = 200 - 196/490 = 4/490 - After reducing the fraction, the answer is 2/245
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/98-4/10 40/98-8/10 40/98-4/20 40/98-12/10 40/98-4/30 40/98-20/10 40/98-4/50 40/98-28/10 40/98-4/70