Subtract 18/80 from 54/50
1st number: 1 4/50, 2nd number: 18/80
54/50 - 18/80 is 171/200.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 80 is 400
Next, find the equivalent fraction of both fractional numbers with denominator 400 - For the 1st fraction, since 50 × 8 = 400,
54/50 = 54 × 8/50 × 8 = 432/400 - Likewise, for the 2nd fraction, since 80 × 5 = 400,
18/80 = 18 × 5/80 × 5 = 90/400 - Subtract the two like fractions:
432/400 - 90/400 = 432 - 90/400 = 342/400 - After reducing the fraction, the answer is 171/200
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/50-36/80 54/50-54/80 54/50-90/80