Subtract 75/70 from 35/12
1st number: 2 11/12, 2nd number: 1 5/70
35/12 - 75/70 is 155/84.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 70 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 12 × 35 = 420,
35/12 = 35 × 35/12 × 35 = 1225/420 - Likewise, for the 2nd fraction, since 70 × 6 = 420,
75/70 = 75 × 6/70 × 6 = 450/420 - Subtract the two like fractions:
1225/420 - 450/420 = 1225 - 450/420 = 775/420 - After reducing the fraction, the answer is 155/84
- In mixed form: 171/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/12-75/70 35/24-75/70 35/36-75/70 35/60-75/70 35/84-75/70