Subtract 8/98 from 20/90
20/90 - 8/98 is 62/441.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 98 is 4410
Next, find the equivalent fraction of both fractional numbers with denominator 4410 - For the 1st fraction, since 90 × 49 = 4410,
20/90 = 20 × 49/90 × 49 = 980/4410 - Likewise, for the 2nd fraction, since 98 × 45 = 4410,
8/98 = 8 × 45/98 × 45 = 360/4410 - Subtract the two like fractions:
980/4410 - 360/4410 = 980 - 360/4410 = 620/4410 - After reducing the fraction, the answer is 62/441
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/90-8/98 20/90-16/98 60/90-8/98 20/90-24/98 20/90-40/98 20/90-56/98