Subtract 30/18 from 2/56
1st number: 2/56, 2nd number: 1 12/18
2/56 - 30/18 is -137/84.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 18 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 56 × 9 = 504,
2/56 = 2 × 9/56 × 9 = 18/504 - Likewise, for the 2nd fraction, since 18 × 28 = 504,
30/18 = 30 × 28/18 × 28 = 840/504 - Subtract the two like fractions:
18/504 - 840/504 = 18 - 840/504 = -822/504 - After reducing the fraction, the answer is -137/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/56-30/18 2/56-60/18 2/56-30/36 6/56-30/18 2/56-90/18 2/56-30/54 10/56-30/18 2/56-30/90 14/56-30/18