Subtract 12/70 from 35/2
1st number: 17 1/2, 2nd number: 12/70
35/2 - 12/70 is 1213/70.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 70 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 2 × 35 = 70,
35/2 = 35 × 35/2 × 35 = 1225/70 - Likewise, for the 2nd fraction, since 70 × 1 = 70,
12/70 = 12 × 1/70 × 1 = 12/70 - Subtract the two like fractions:
1225/70 - 12/70 = 1225 - 12/70 = 1213/70 - In mixed form: 1723/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/2-12/70 35/2-24/70 35/4-12/70 35/2-36/70 35/6-12/70 35/2-60/70 35/10-12/70 35/2-84/70 35/14-12/70