Subtract 40/56 from 15/2
1st number: 7 1/2, 2nd number: 40/56
15/2 - 40/56 is 95/14.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 56 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 2 × 28 = 56,
15/2 = 15 × 28/2 × 28 = 420/56 - Likewise, for the 2nd fraction, since 56 × 1 = 56,
40/56 = 40 × 1/56 × 1 = 40/56 - Subtract the two like fractions:
420/56 - 40/56 = 420 - 40/56 = 380/56 - After reducing the fraction, the answer is 95/14
- In mixed form: 611/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/2-40/56 15/2-80/56 15/4-40/56 45/2-40/56 15/6-40/56 75/2-40/56 15/10-40/56 15/14-40/56