Subtract 15/50 from 7/4
1st number: 1 3/4, 2nd number: 15/50
7/4 - 15/50 is 29/20.
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,
7/4 = 7 × 25/4 × 25 = 175/100 - Likewise, for the 2nd fraction, since 50 × 2 = 100,
15/50 = 15 × 2/50 × 2 = 30/100 - Subtract the two like fractions:
175/100 - 30/100 = 175 - 30/100 = 145/100 - After reducing the fraction, the answer is 29/20
- In mixed form: 19/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/4-15/50 7/4-30/50 7/8-15/50 21/4-15/50 7/4-45/50 7/12-15/50 35/4-15/50 7/4-75/50 7/20-15/50 49/4-15/50 7/28-15/50