Answers

Subtract 63/80 from 56/98

56/98 - 63/80 is -121/560.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 98 and 80 is 3920
   
   Next, find the equivalent fraction of both fractional numbers with denominator 3920
2. For the 1st fraction, since 98 × 40 = 3920,
   56/98 = 56 × 40/98 × 40 = 2240/3920
3. Likewise, for the 2nd fraction, since 80 × 49 = 3920,
   63/80 = 63 × 49/80 × 49 = 3087/3920
4. Subtract the two like fractions:
   2240/3920 - 3087/3920 = 2240 - 3087/3920 = -847/3920
5. After reducing the fraction, the answer is -121/560

MathStep (Works offline)

Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad

Related:

Subtract Fractions Calculator