Subtract 20/10 from 12/5
1st number: 2 2/5, 2nd number: 2 0/10
12/5 - 20/10 is 2/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 10 is 10
Next, find the equivalent fraction of both fractional numbers with denominator 10 - For the 1st fraction, since 5 × 2 = 10,
12/5 = 12 × 2/5 × 2 = 24/10 - Likewise, for the 2nd fraction, since 10 × 1 = 10,
20/10 = 20 × 1/10 × 1 = 20/10 - Subtract the two like fractions:
24/10 - 20/10 = 24 - 20/10 = 4/10 - After reducing the fraction, the answer is 2/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/5-20/10 12/5-40/10 12/10-20/10 36/5-20/10 12/5-60/10 12/15-20/10 12/5-20/30 60/5-20/10 12/25-20/10 12/5-20/50 84/5-20/10 12/35-20/10 12/5-20/70