Subtract 45/50 from 4/56
4/56 - 45/50 is -29/35.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 50 is 1400
Next, find the equivalent fraction of both fractional numbers with denominator 1400 - For the 1st fraction, since 56 × 25 = 1400,
4/56 = 4 × 25/56 × 25 = 100/1400 - Likewise, for the 2nd fraction, since 50 × 28 = 1400,
45/50 = 45 × 28/50 × 28 = 1260/1400 - Subtract the two like fractions:
100/1400 - 1260/1400 = 100 - 1260/1400 = -1160/1400 - After reducing the fraction, the answer is -29/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/56-45/50 4/56-90/50 12/56-45/50 20/56-45/50 28/56-45/50