Subtract 45/18 from 6/70
1st number: 6/70, 2nd number: 2 9/18
6/70 - 45/18 is -169/70.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 18 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 70 × 9 = 630,
6/70 = 6 × 9/70 × 9 = 54/630 - Likewise, for the 2nd fraction, since 18 × 35 = 630,
45/18 = 45 × 35/18 × 35 = 1575/630 - Subtract the two like fractions:
54/630 - 1575/630 = 54 - 1575/630 = -1521/630 - After reducing the fraction, the answer is -169/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/70-45/18 6/70-90/18 6/70-45/36 18/70-45/18 6/70-45/54 30/70-45/18 6/70-45/90 42/70-45/18