Subtract 20/18 from 1/35
1st number: 1/35, 2nd number: 1 2/18
1/35 - 20/18 is -341/315.
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,
1/35 = 1 × 18/35 × 18 = 18/630 - Likewise, for the 2nd fraction, since 18 × 35 = 630,
20/18 = 20 × 35/18 × 35 = 700/630 - Subtract the two like fractions:
18/630 - 700/630 = 18 - 700/630 = -682/630 - After reducing the fraction, the answer is -341/315
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/35-20/18 1/35-40/18 1/70-20/18 1/35-20/36 3/35-20/18 1/35-60/18 1/35-20/54 5/35-20/18 1/35-20/90 7/35-20/18