Subtract 7/80 from 50/12
1st number: 4 2/12, 2nd number: 7/80
50/12 - 7/80 is 979/240.
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,
50/12 = 50 × 20/12 × 20 = 1000/240 - Likewise, for the 2nd fraction, since 80 × 3 = 240,
7/80 = 7 × 3/80 × 3 = 21/240 - Subtract the two like fractions:
1000/240 - 21/240 = 1000 - 21/240 = 979/240 - In mixed form: 419/240
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/12-14/80 50/24-7/80 50/12-21/80 50/36-7/80 50/12-35/80 50/60-7/80 50/12-49/80 50/84-7/80