Subtract 15/80 from 12/3
1st number: 4 0/3, 2nd number: 15/80
12/3 - 15/80 is 61/16.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 80 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 3 × 80 = 240,
12/3 = 12 × 80/3 × 80 = 960/240 - Likewise, for the 2nd fraction, since 80 × 3 = 240,
15/80 = 15 × 3/80 × 3 = 45/240 - Subtract the two like fractions:
960/240 - 45/240 = 960 - 45/240 = 915/240 - After reducing the fraction, the answer is 61/16
- In mixed form: 313/16
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/3-15/80 12/3-30/80 12/6-15/80 36/3-15/80 12/3-45/80 12/9-15/80 60/3-15/80 12/3-75/80 12/15-15/80 84/3-15/80 12/21-15/80