Subtract 16/25 from 7/20
7/20 - 16/25 is -29/100.
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,
7/20 = 7 × 5/20 × 5 = 35/100 - Likewise, for the 2nd fraction, since 25 × 4 = 100,
16/25 = 16 × 4/25 × 4 = 64/100 - Subtract the two like fractions:
35/100 - 64/100 = 35 - 64/100 = -29/100
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/20-16/25 7/20-32/25 7/40-16/25 7/20-16/50 21/20-16/25 7/20-48/25 7/60-16/25 7/20-16/75 35/20-16/25 7/20-80/25 49/20-16/25