Subtract 20/12 from 50/5
1st number: 10 0/5, 2nd number: 1 8/12
50/5 - 20/12 is 25/3.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 12 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 5 × 12 = 60,
50/5 = 50 × 12/5 × 12 = 600/60 - Likewise, for the 2nd fraction, since 12 × 5 = 60,
20/12 = 20 × 5/12 × 5 = 100/60 - Subtract the two like fractions:
600/60 - 100/60 = 600 - 100/60 = 500/60 - After reducing the fraction, the answer is 25/3
- In mixed form: 81/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/5-40/12 50/10-20/12 50/5-20/24 50/5-60/12 50/15-20/12 50/5-20/36 50/25-20/12 50/5-20/60 50/35-20/12 50/5-20/84