Subtract 12/80 from 10/5
1st number: 2 0/5, 2nd number: 12/80
10/5 - 12/80 is 37/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 80 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 5 × 16 = 80,
10/5 = 10 × 16/5 × 16 = 160/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
12/80 = 12 × 1/80 × 1 = 12/80 - Subtract the two like fractions:
160/80 - 12/80 = 160 - 12/80 = 148/80 - After reducing the fraction, the answer is 37/20
- In mixed form: 117/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/5-12/80 10/5-24/80 30/5-12/80 10/5-36/80 10/15-12/80 50/5-12/80 10/5-60/80 10/25-12/80 70/5-12/80 10/5-84/80 10/35-12/80