Answers

Subtract 96/80 from 80/90

1^st number: 80/90, 2^nd number: 1 16/80

80/90 - 96/80 is -14/45.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 90 and 80 is 720
   
   Next, find the equivalent fraction of both fractional numbers with denominator 720
2. For the 1st fraction, since 90 × 8 = 720,
   80/90 = 80 × 8/90 × 8 = 640/720
3. Likewise, for the 2nd fraction, since 80 × 9 = 720,
   96/80 = 96 × 9/80 × 9 = 864/720
4. Subtract the two like fractions:
   640/720 - 864/720 = 640 - 864/720 = -224/720
5. After reducing the fraction, the answer is -14/45

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