Subtract 70/18 from 84/35
1st number: 2 14/35, 2nd number: 3 16/18
84/35 - 70/18 is -67/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 18 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 35 × 18 = 630,
84/35 = 84 × 18/35 × 18 = 1512/630 - Likewise, for the 2nd fraction, since 18 × 35 = 630,
70/18 = 70 × 35/18 × 35 = 2450/630 - Subtract the two like fractions:
1512/630 - 2450/630 = 1512 - 2450/630 = -938/630 - After reducing the fraction, the answer is -67/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/70-70/18 84/35-70/36 84/35-70/54 84/35-70/90