Subtract 15/4 from 70/75
1st number: 70/75, 2nd number: 3 3/4
70/75 - 15/4 is -169/60.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 4 is 300
Next, find the equivalent fraction of both fractional numbers with denominator 300 - For the 1st fraction, since 75 × 4 = 300,
70/75 = 70 × 4/75 × 4 = 280/300 - Likewise, for the 2nd fraction, since 4 × 75 = 300,
15/4 = 15 × 75/4 × 75 = 1125/300 - Subtract the two like fractions:
280/300 - 1125/300 = 280 - 1125/300 = -845/300 - After reducing the fraction, the answer is -169/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/75-30/4 70/75-15/8 70/75-45/4 70/75-15/12 70/75-75/4 70/75-15/20 70/75-15/28