Subtract 80/25 from 3/20
1st number: 3/20, 2nd number: 3 5/25
3/20 - 80/25 is -61/20.
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,
3/20 = 3 × 5/20 × 5 = 15/100 - Likewise, for the 2nd fraction, since 25 × 4 = 100,
80/25 = 80 × 4/25 × 4 = 320/100 - Subtract the two like fractions:
15/100 - 320/100 = 15 - 320/100 = -305/100 - After reducing the fraction, the answer is -61/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/20-80/25 3/40-80/25 3/20-80/50 9/20-80/25 3/60-80/25 3/20-80/75 15/20-80/25 21/20-80/25