Subtract 4/8 from 2/80
2/80 - 4/8 is -19/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 8 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 80 × 1 = 80,
2/80 = 2 × 1/80 × 1 = 2/80 - Likewise, for the 2nd fraction, since 8 × 10 = 80,
4/8 = 4 × 10/8 × 10 = 40/80 - Subtract the two like fractions:
2/80 - 40/80 = 2 - 40/80 = -38/80 - After reducing the fraction, the answer is -19/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/80-4/8 2/80-4/16 6/80-4/8 2/80-12/8 2/80-4/24 10/80-4/8 2/80-20/8 2/80-4/40 14/80-4/8 2/80-28/8 2/80-4/56