Subtract 3/4 from 18/50
18/50 - 3/4 is -39/100.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 4 is 100
Next, find the equivalent fraction of both fractional numbers with denominator 100 - For the 1st fraction, since 50 × 2 = 100,
18/50 = 18 × 2/50 × 2 = 36/100 - Likewise, for the 2nd fraction, since 4 × 25 = 100,
3/4 = 3 × 25/4 × 25 = 75/100 - Subtract the two like fractions:
36/100 - 75/100 = 36 - 75/100 = -39/100
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/50-3/4 18/50-6/4 18/50-3/8 54/50-3/4 18/50-9/4 18/50-3/12 90/50-3/4 18/50-15/4 18/50-3/20 18/50-21/4 18/50-3/28