Subtract 80/50 from 7/36
1st number: 7/36, 2nd number: 1 30/50
7/36 - 80/50 is -253/180.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 50 is 900
Next, find the equivalent fraction of both fractional numbers with denominator 900 - For the 1st fraction, since 36 × 25 = 900,
7/36 = 7 × 25/36 × 25 = 175/900 - Likewise, for the 2nd fraction, since 50 × 18 = 900,
80/50 = 80 × 18/50 × 18 = 1440/900 - Subtract the two like fractions:
175/900 - 1440/900 = 175 - 1440/900 = -1265/900 - After reducing the fraction, the answer is -253/180
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/36-80/50 7/72-80/50 21/36-80/50 35/36-80/50 49/36-80/50