Subtract 27/35 from 1/18
1/18 - 27/35 is -451/630.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 35 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 18 × 35 = 630,
1/18 = 1 × 35/18 × 35 = 35/630 - Likewise, for the 2nd fraction, since 35 × 18 = 630,
27/35 = 27 × 18/35 × 18 = 486/630 - Subtract the two like fractions:
35/630 - 486/630 = 35 - 486/630 = -451/630
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/18-27/35 1/18-54/35 1/36-27/35 1/18-27/70 3/18-27/35 1/18-81/35 1/54-27/35 5/18-27/35 1/90-27/35 7/18-27/35