Subtract 50/20 from 12/5
1st number: 2 2/5, 2nd number: 2 10/20
12/5 - 50/20 is -1/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 20 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 5 × 4 = 20,
12/5 = 12 × 4/5 × 4 = 48/20 - Likewise, for the 2nd fraction, since 20 × 1 = 20,
50/20 = 50 × 1/20 × 1 = 50/20 - Subtract the two like fractions:
48/20 - 50/20 = 48 - 50/20 = -2/20 - After reducing the fraction, the answer is -1/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/5-50/20 12/10-50/20 12/5-50/40 36/5-50/20 12/15-50/20 12/5-50/60 60/5-50/20 12/25-50/20 84/5-50/20 12/35-50/20