Subtract 40/70 from 75/35
1st number: 2 5/35, 2nd number: 40/70
75/35 - 40/70 is 11/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 70 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 35 × 2 = 70,
75/35 = 75 × 2/35 × 2 = 150/70 - Likewise, for the 2nd fraction, since 70 × 1 = 70,
40/70 = 40 × 1/70 × 1 = 40/70 - Subtract the two like fractions:
150/70 - 40/70 = 150 - 40/70 = 110/70 - After reducing the fraction, the answer is 11/7
- In mixed form: 14/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/35-80/70 75/70-40/70