Subtract 40/9 from 30/56
1st number: 30/56, 2nd number: 4 4/9
30/56 - 40/9 is -985/252.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 9 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 56 × 9 = 504,
30/56 = 30 × 9/56 × 9 = 270/504 - Likewise, for the 2nd fraction, since 9 × 56 = 504,
40/9 = 40 × 56/9 × 56 = 2240/504 - Subtract the two like fractions:
270/504 - 2240/504 = 270 - 2240/504 = -1970/504 - After reducing the fraction, the answer is -985/252
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/56-40/9 30/56-80/9 30/56-40/18 90/56-40/9 30/56-40/27 30/56-40/45 30/56-40/63