Subtract 45/14 from 56/36
1st number: 1 20/36, 2nd number: 3 3/14
56/36 - 45/14 is -209/126.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 14 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 36 × 7 = 252,
56/36 = 56 × 7/36 × 7 = 392/252 - Likewise, for the 2nd fraction, since 14 × 18 = 252,
45/14 = 45 × 18/14 × 18 = 810/252 - Subtract the two like fractions:
392/252 - 810/252 = 392 - 810/252 = -418/252 - After reducing the fraction, the answer is -209/126
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/36-90/14 56/72-45/14 56/36-45/28 56/36-45/42 56/36-45/70 56/36-45/98