Subtract 45/20 from 50/98
1st number: 50/98, 2nd number: 2 5/20
50/98 - 45/20 is -341/196.
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,
50/98 = 50 × 10/98 × 10 = 500/980 - Likewise, for the 2nd fraction, since 20 × 49 = 980,
45/20 = 45 × 49/20 × 49 = 2205/980 - Subtract the two like fractions:
500/980 - 2205/980 = 500 - 2205/980 = -1705/980 - After reducing the fraction, the answer is -341/196
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/98-90/20 50/98-45/40 50/98-45/60