Subtract 20/5 from 75/10
1st number: 7 5/10, 2nd number: 4 0/5
75/10 - 20/5 is 7/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 5 is 10
Next, find the equivalent fraction of both fractional numbers with denominator 10 - For the 1st fraction, since 10 × 1 = 10,
75/10 = 75 × 1/10 × 1 = 75/10 - Likewise, for the 2nd fraction, since 5 × 2 = 10,
20/5 = 20 × 2/5 × 2 = 40/10 - Subtract the two like fractions:
75/10 - 40/10 = 75 - 40/10 = 35/10 - After reducing the fraction, the answer is 7/2
- In mixed form: 31/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/10-40/5 75/20-20/5 75/10-20/10 75/10-60/5 75/30-20/5 75/10-20/15 75/50-20/5 75/10-20/25 75/70-20/5 75/10-20/35