Subtract 80/56 from 18/50
1st number: 18/50, 2nd number: 1 24/56
18/50 - 80/56 is -187/175.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 56 is 1400
Next, find the equivalent fraction of both fractional numbers with denominator 1400 - For the 1st fraction, since 50 × 28 = 1400,
18/50 = 18 × 28/50 × 28 = 504/1400 - Likewise, for the 2nd fraction, since 56 × 25 = 1400,
80/56 = 80 × 25/56 × 25 = 2000/1400 - Subtract the two like fractions:
504/1400 - 2000/1400 = 504 - 2000/1400 = -1496/1400 - After reducing the fraction, the answer is -187/175
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/50-80/56 54/50-80/56 90/50-80/56