Subtract 1/18 from 35/20
1st number: 1 15/20, 2nd number: 1/18
35/20 - 1/18 is 61/36.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 18 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 20 × 9 = 180,
35/20 = 35 × 9/20 × 9 = 315/180 - Likewise, for the 2nd fraction, since 18 × 10 = 180,
1/18 = 1 × 10/18 × 10 = 10/180 - Subtract the two like fractions:
315/180 - 10/180 = 315 - 10/180 = 305/180 - After reducing the fraction, the answer is 61/36
- In mixed form: 125/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/20-1/18 35/20-2/18 35/40-1/18 35/20-1/36 35/20-3/18 35/60-1/18 35/20-1/54 35/20-5/18 35/20-1/90 35/20-7/18