Subtract 50/18 from 25/40
1st number: 25/40, 2nd number: 2 14/18
25/40 - 50/18 is -155/72.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 18 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 40 × 9 = 360,
25/40 = 25 × 9/40 × 9 = 225/360 - Likewise, for the 2nd fraction, since 18 × 20 = 360,
50/18 = 50 × 20/18 × 20 = 1000/360 - Subtract the two like fractions:
225/360 - 1000/360 = 225 - 1000/360 = -775/360 - After reducing the fraction, the answer is -155/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/40-50/18 25/80-50/18 25/40-50/36 75/40-50/18 25/40-50/54 25/40-50/90