Subtract 35/80 from 15/12
1st number: 1 3/12, 2nd number: 35/80
15/12 - 35/80 is 13/16.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 80 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 12 × 20 = 240,
15/12 = 15 × 20/12 × 20 = 300/240 - Likewise, for the 2nd fraction, since 80 × 3 = 240,
35/80 = 35 × 3/80 × 3 = 105/240 - Subtract the two like fractions:
300/240 - 105/240 = 300 - 105/240 = 195/240 - After reducing the fraction, the answer is 13/16
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/12-35/80 15/12-70/80 15/24-35/80 45/12-35/80 15/36-35/80 75/12-35/80 15/60-35/80 15/84-35/80