Subtract 35/63 from 1/18
1/18 - 35/63 is -1/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 63 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 18 × 7 = 126,
1/18 = 1 × 7/18 × 7 = 7/126 - Likewise, for the 2nd fraction, since 63 × 2 = 126,
35/63 = 35 × 2/63 × 2 = 70/126 - Subtract the two like fractions:
7/126 - 70/126 = 7 - 70/126 = -63/126 - After reducing the fraction, the answer is -1/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/18-35/63 1/18-70/63 1/36-35/63 3/18-35/63 1/54-35/63 5/18-35/63 1/90-35/63 7/18-35/63