Subtract 18/50 from 15/4
1st number: 3 3/4, 2nd number: 18/50
15/4 - 18/50 is 339/100.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 50 is 100
Next, find the equivalent fraction of both fractional numbers with denominator 100 - For the 1st fraction, since 4 × 25 = 100,
15/4 = 15 × 25/4 × 25 = 375/100 - Likewise, for the 2nd fraction, since 50 × 2 = 100,
18/50 = 18 × 2/50 × 2 = 36/100 - Subtract the two like fractions:
375/100 - 36/100 = 375 - 36/100 = 339/100 - In mixed form: 339/100
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/4-18/50 15/4-36/50 15/8-18/50 45/4-18/50 15/4-54/50 15/12-18/50 75/4-18/50 15/4-90/50 15/20-18/50 15/28-18/50