Subtract 50/27 from 25/18
1st number: 1 7/18, 2nd number: 1 23/27
25/18 - 50/27 is -25/54.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 27 is 54
Next, find the equivalent fraction of both fractional numbers with denominator 54 - For the 1st fraction, since 18 × 3 = 54,
25/18 = 25 × 3/18 × 3 = 75/54 - Likewise, for the 2nd fraction, since 27 × 2 = 54,
50/27 = 50 × 2/27 × 2 = 100/54 - Subtract the two like fractions:
75/54 - 100/54 = 75 - 100/54 = -25/54
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/18-50/27 25/36-50/27 25/18-50/54 75/18-50/27 25/54-50/27 25/18-50/81 25/90-50/27