Subtract 4/40 from 6/98
6/98 - 4/40 is -19/490.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 40 is 1960
Next, find the equivalent fraction of both fractional numbers with denominator 1960 - For the 1st fraction, since 98 × 20 = 1960,
6/98 = 6 × 20/98 × 20 = 120/1960 - Likewise, for the 2nd fraction, since 40 × 49 = 1960,
4/40 = 4 × 49/40 × 49 = 196/1960 - Subtract the two like fractions:
120/1960 - 196/1960 = 120 - 196/1960 = -76/1960 - After reducing the fraction, the answer is -19/490
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/98-4/40 6/98-8/40 6/98-4/80 18/98-4/40 6/98-12/40 30/98-4/40 6/98-20/40 42/98-4/40 6/98-28/40