Subtract 36/80 from 72/12
1st number: 6 0/12, 2nd number: 36/80
72/12 - 36/80 is 111/20.
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,
72/12 = 72 × 20/12 × 20 = 1440/240 - Likewise, for the 2nd fraction, since 80 × 3 = 240,
36/80 = 36 × 3/80 × 3 = 108/240 - Subtract the two like fractions:
1440/240 - 108/240 = 1440 - 108/240 = 1332/240 - After reducing the fraction, the answer is 111/20
- In mixed form: 511/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/12-72/80 72/24-36/80 72/36-36/80 72/60-36/80 72/84-36/80