Subtract 72/35 from 70/4
1st number: 17 2/4, 2nd number: 2 2/35
70/4 - 72/35 is 1081/70.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 35 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 4 × 35 = 140,
70/4 = 70 × 35/4 × 35 = 2450/140 - Likewise, for the 2nd fraction, since 35 × 4 = 140,
72/35 = 72 × 4/35 × 4 = 288/140 - Subtract the two like fractions:
2450/140 - 288/140 = 2450 - 288/140 = 2162/140 - After reducing the fraction, the answer is 1081/70
- In mixed form: 1531/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/8-72/35 70/4-72/70 70/12-72/35 70/20-72/35 70/28-72/35