Subtract 30/14 from 45/56
1st number: 45/56, 2nd number: 2 2/14
45/56 - 30/14 is -75/56.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 14 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 56 × 1 = 56,
45/56 = 45 × 1/56 × 1 = 45/56 - Likewise, for the 2nd fraction, since 14 × 4 = 56,
30/14 = 30 × 4/14 × 4 = 120/56 - Subtract the two like fractions:
45/56 - 120/56 = 45 - 120/56 = -75/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/56-30/14 45/56-60/14 45/56-30/28 45/56-90/14 45/56-30/42 45/56-30/70 45/56-30/98