Subtract 24/7 from 15/24
1st number: 15/24, 2nd number: 3 3/7
15/24 - 24/7 is -157/56.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 7 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 24 × 7 = 168,
15/24 = 15 × 7/24 × 7 = 105/168 - Likewise, for the 2nd fraction, since 7 × 24 = 168,
24/7 = 24 × 24/7 × 24 = 576/168 - Subtract the two like fractions:
105/168 - 576/168 = 105 - 576/168 = -471/168 - After reducing the fraction, the answer is -157/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/24-24/7 15/24-48/7 15/48-24/7 15/24-24/14 45/24-24/7 15/24-72/7 15/72-24/7 15/24-24/21 75/24-24/7 15/24-24/35 15/24-24/49