Subtract 75/3 from 7/20
1st number: 7/20, 2nd number: 25 0/3
7/20 - 75/3 is -493/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 3 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 20 × 3 = 60,
7/20 = 7 × 3/20 × 3 = 21/60 - Likewise, for the 2nd fraction, since 3 × 20 = 60,
75/3 = 75 × 20/3 × 20 = 1500/60 - Subtract the two like fractions:
21/60 - 1500/60 = 21 - 1500/60 = -1479/60 - After reducing the fraction, the answer is -493/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/20-75/3 7/40-75/3 7/20-75/6 21/20-75/3 7/60-75/3 7/20-75/9 35/20-75/3 7/20-75/15 49/20-75/3 7/20-75/21