Subtract 80/45 from 14/12
1st number: 1 2/12, 2nd number: 1 35/45
14/12 - 80/45 is -11/18.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 45 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 12 × 15 = 180,
14/12 = 14 × 15/12 × 15 = 210/180 - Likewise, for the 2nd fraction, since 45 × 4 = 180,
80/45 = 80 × 4/45 × 4 = 320/180 - Subtract the two like fractions:
210/180 - 320/180 = 210 - 320/180 = -110/180 - After reducing the fraction, the answer is -11/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/12-80/45 14/24-80/45 14/12-80/90 42/12-80/45 14/36-80/45 70/12-80/45 14/60-80/45 98/12-80/45 14/84-80/45