Subtract 25/18 from 16/70
1st number: 16/70, 2nd number: 1 7/18
16/70 - 25/18 is -731/630.
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,
16/70 = 16 × 9/70 × 9 = 144/630 - Likewise, for the 2nd fraction, since 18 × 35 = 630,
25/18 = 25 × 35/18 × 35 = 875/630 - Subtract the two like fractions:
144/630 - 875/630 = 144 - 875/630 = -731/630
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/70-25/18 16/70-50/18 16/70-25/36 48/70-25/18 16/70-75/18 16/70-25/54 80/70-25/18 16/70-25/90