Subtract 24/7 from 3/18
1st number: 3/18, 2nd number: 3 3/7
3/18 - 24/7 is -137/42.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 7 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 18 × 7 = 126,
3/18 = 3 × 7/18 × 7 = 21/126 - Likewise, for the 2nd fraction, since 7 × 18 = 126,
24/7 = 24 × 18/7 × 18 = 432/126 - Subtract the two like fractions:
21/126 - 432/126 = 21 - 432/126 = -411/126 - After reducing the fraction, the answer is -137/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/18-24/7 3/18-48/7 3/36-24/7 3/18-24/14 9/18-24/7 3/18-72/7 3/54-24/7 3/18-24/21 15/18-24/7 3/90-24/7 3/18-24/35 21/18-24/7 3/18-24/49