Subtract 1/35 from 30/18
1st number: 1 12/18, 2nd number: 1/35
30/18 - 1/35 is 172/105.
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,
30/18 = 30 × 35/18 × 35 = 1050/630 - Likewise, for the 2nd fraction, since 35 × 18 = 630,
1/35 = 1 × 18/35 × 18 = 18/630 - Subtract the two like fractions:
1050/630 - 18/630 = 1050 - 18/630 = 1032/630 - After reducing the fraction, the answer is 172/105
- In mixed form: 167/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/18-1/35 30/18-2/35 30/36-1/35 30/18-1/70 90/18-1/35 30/18-3/35 30/54-1/35 30/18-5/35 30/90-1/35 30/18-7/35