Subtract 27/5 from 1/80
1st number: 1/80, 2nd number: 5 2/5
1/80 - 27/5 is -431/80.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 5 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 80 × 1 = 80,
1/80 = 1 × 1/80 × 1 = 1/80 - Likewise, for the 2nd fraction, since 5 × 16 = 80,
27/5 = 27 × 16/5 × 16 = 432/80 - Subtract the two like fractions:
1/80 - 432/80 = 1 - 432/80 = -431/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/80-27/5 1/80-54/5 1/80-27/10 3/80-27/5 1/80-81/5 1/80-27/15 5/80-27/5 1/80-27/25 7/80-27/5 1/80-27/35