Subtract 27/80 from 1/4
1/4 - 27/80 is -7/80.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 80 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 4 × 20 = 80,
1/4 = 1 × 20/4 × 20 = 20/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
27/80 = 27 × 1/80 × 1 = 27/80 - Subtract the two like fractions:
20/80 - 27/80 = 20 - 27/80 = -7/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/4-27/80 1/4-54/80 1/8-27/80 3/4-27/80 1/4-81/80 1/12-27/80 5/4-27/80 1/20-27/80 7/4-27/80 1/28-27/80