Subtract 15/25 from 16/20
16/20 - 15/25 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,
16/20 = 16 × 5/20 × 5 = 80/100 - Likewise, for the 2nd fraction, since 25 × 4 = 100,
15/25 = 15 × 4/25 × 4 = 60/100 - Subtract the two like fractions:
80/100 - 60/100 = 80 - 60/100 = 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: 32/20-15/25 16/20-30/25 16/40-15/25 16/20-15/50 48/20-15/25 16/20-45/25 16/60-15/25 16/20-15/75 80/20-15/25 16/20-75/25