Subtract 12/16 from 50/20
1st number: 2 10/20, 2nd number: 12/16
50/20 - 12/16 is 7/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 16 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 20 × 4 = 80,
50/20 = 50 × 4/20 × 4 = 200/80 - Likewise, for the 2nd fraction, since 16 × 5 = 80,
12/16 = 12 × 5/16 × 5 = 60/80 - Subtract the two like fractions:
200/80 - 60/80 = 200 - 60/80 = 140/80 - After reducing the fraction, the answer is 7/4
- In mixed form: 13/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/20-24/16 50/40-12/16 50/20-12/32 50/20-36/16 50/60-12/16 50/20-12/48 50/20-60/16 50/20-12/80 50/20-84/16