Subtract 50/18 from 40/7
1st number: 5 5/7, 2nd number: 2 14/18
40/7 - 50/18 is 185/63.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 18 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 7 × 18 = 126,
40/7 = 40 × 18/7 × 18 = 720/126 - Likewise, for the 2nd fraction, since 18 × 7 = 126,
50/18 = 50 × 7/18 × 7 = 350/126 - Subtract the two like fractions:
720/126 - 350/126 = 720 - 350/126 = 370/126 - After reducing the fraction, the answer is 185/63
- In mixed form: 259/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/7-50/18 40/14-50/18 40/7-50/36 40/21-50/18 40/7-50/54 40/35-50/18 40/7-50/90 40/49-50/18