Subtract 5/4 from 8/80
1st number: 8/80, 2nd number: 1 1/4
8/80 - 5/4 is -23/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 4 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 80 × 1 = 80,
8/80 = 8 × 1/80 × 1 = 8/80 - Likewise, for the 2nd fraction, since 4 × 20 = 80,
5/4 = 5 × 20/4 × 20 = 100/80 - Subtract the two like fractions:
8/80 - 100/80 = 8 - 100/80 = -92/80 - After reducing the fraction, the answer is -23/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/80-5/4 8/80-10/4 8/80-5/8 24/80-5/4 8/80-15/4 8/80-5/12 40/80-5/4 8/80-25/4 8/80-5/20 56/80-5/4 8/80-35/4 8/80-5/28