Subtract 90/8 from 2/80
1st number: 2/80, 2nd number: 11 2/8
2/80 - 90/8 is -449/40.
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,
90/8 = 90 × 10/8 × 10 = 900/80 - Subtract the two like fractions:
2/80 - 900/80 = 2 - 900/80 = -898/80 - After reducing the fraction, the answer is -449/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/80-90/8 2/80-90/16 6/80-90/8 2/80-90/24 10/80-90/8 2/80-90/40 14/80-90/8 2/80-90/56