Subtract 20/45 from 1/98
1/98 - 20/45 is -383/882.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 45 is 4410
Next, find the equivalent fraction of both fractional numbers with denominator 4410 - For the 1st fraction, since 98 × 45 = 4410,
1/98 = 1 × 45/98 × 45 = 45/4410 - Likewise, for the 2nd fraction, since 45 × 98 = 4410,
20/45 = 20 × 98/45 × 98 = 1960/4410 - Subtract the two like fractions:
45/4410 - 1960/4410 = 45 - 1960/4410 = -1915/4410 - After reducing the fraction, the answer is -383/882
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/98-20/45 1/98-40/45 1/98-20/90 3/98-20/45 1/98-60/45 5/98-20/45 7/98-20/45