Subtract 18/56 from 7/50
7/50 - 18/56 is -127/700.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 56 is 1400
Next, find the equivalent fraction of both fractional numbers with denominator 1400 - For the 1st fraction, since 50 × 28 = 1400,
7/50 = 7 × 28/50 × 28 = 196/1400 - Likewise, for the 2nd fraction, since 56 × 25 = 1400,
18/56 = 18 × 25/56 × 25 = 450/1400 - Subtract the two like fractions:
196/1400 - 450/1400 = 196 - 450/1400 = -254/1400 - After reducing the fraction, the answer is -127/700
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/50-18/56 7/50-36/56 21/50-18/56 7/50-54/56 35/50-18/56 7/50-90/56 49/50-18/56