Subtract 20/98 from 36/45
36/45 - 20/98 is 146/245.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 98 is 4410
Next, find the equivalent fraction of both fractional numbers with denominator 4410 - For the 1st fraction, since 45 × 98 = 4410,
36/45 = 36 × 98/45 × 98 = 3528/4410 - Likewise, for the 2nd fraction, since 98 × 45 = 4410,
20/98 = 20 × 45/98 × 45 = 900/4410 - Subtract the two like fractions:
3528/4410 - 900/4410 = 3528 - 900/4410 = 2628/4410 - After reducing the fraction, the answer is 146/245
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/45-20/98 36/45-40/98 36/90-20/98 36/45-60/98