Subtract 10/20 from 12/2
1st number: 6 0/2, 2nd number: 10/20
12/2 - 10/20 is 11/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 20 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 2 × 10 = 20,
12/2 = 12 × 10/2 × 10 = 120/20 - Likewise, for the 2nd fraction, since 20 × 1 = 20,
10/20 = 10 × 1/20 × 1 = 10/20 - Subtract the two like fractions:
120/20 - 10/20 = 120 - 10/20 = 110/20 - After reducing the fraction, the answer is 11/2
- In mixed form: 51/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/2-10/20 12/4-10/20 12/2-10/40 36/2-10/20 12/2-30/20 12/6-10/20 12/2-10/60 60/2-10/20 12/2-50/20 12/10-10/20 84/2-10/20 12/2-70/20 12/14-10/20