Subtract 35/18 from 30/35
1st number: 30/35, 2nd number: 1 17/18
30/35 - 35/18 is -137/126.
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,
30/35 = 30 × 18/35 × 18 = 540/630 - Likewise, for the 2nd fraction, since 18 × 35 = 630,
35/18 = 35 × 35/18 × 35 = 1225/630 - Subtract the two like fractions:
540/630 - 1225/630 = 540 - 1225/630 = -685/630 - After reducing the fraction, the answer is -137/126
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/35-35/18 30/35-70/18 30/70-35/18 30/35-35/36 90/35-35/18 30/35-35/54 30/35-35/90