Subtract 1/20 from 84/98
84/98 - 1/20 is 113/140.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 20 is 980
Next, find the equivalent fraction of both fractional numbers with denominator 980 - For the 1st fraction, since 98 × 10 = 980,
84/98 = 84 × 10/98 × 10 = 840/980 - Likewise, for the 2nd fraction, since 20 × 49 = 980,
1/20 = 1 × 49/20 × 49 = 49/980 - Subtract the two like fractions:
840/980 - 49/980 = 840 - 49/980 = 791/980 - After reducing the fraction, the answer is 113/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/98-2/20 84/98-1/40 84/98-3/20 84/98-1/60 84/98-5/20 84/98-7/20