Subtract 80/45 from 35/36
1st number: 35/36, 2nd number: 1 35/45
35/36 - 80/45 is -29/36.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 45 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 36 × 5 = 180,
35/36 = 35 × 5/36 × 5 = 175/180 - Likewise, for the 2nd fraction, since 45 × 4 = 180,
80/45 = 80 × 4/45 × 4 = 320/180 - Subtract the two like fractions:
175/180 - 320/180 = 175 - 320/180 = -145/180 - After reducing the fraction, the answer is -29/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/36-80/45 35/72-80/45 35/36-80/90