Subtract 10/25 from 12/20
12/20 - 10/25 is 1/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 25 is 100
Next, find the equivalent fraction of both fractional numbers with denominator 100 - For the 1st fraction, since 20 × 5 = 100,
12/20 = 12 × 5/20 × 5 = 60/100 - Likewise, for the 2nd fraction, since 25 × 4 = 100,
10/25 = 10 × 4/25 × 4 = 40/100 - Subtract the two like fractions:
60/100 - 40/100 = 60 - 40/100 = 20/100 - After reducing the fraction, the answer is 1/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/20-10/25 12/20-20/25 12/40-10/25 12/20-10/50 36/20-10/25 12/20-30/25 12/60-10/25 12/20-10/75 60/20-10/25 12/20-50/25 84/20-10/25 12/20-70/25