Subtract 1/18 from 36/5
1st number: 7 1/5, 2nd number: 1/18
36/5 - 1/18 is 643/90.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 18 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 5 × 18 = 90,
36/5 = 36 × 18/5 × 18 = 648/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
1/18 = 1 × 5/18 × 5 = 5/90 - Subtract the two like fractions:
648/90 - 5/90 = 648 - 5/90 = 643/90 - In mixed form: 713/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/5-1/18 36/5-2/18 36/10-1/18 36/5-1/36 36/5-3/18 36/15-1/18 36/5-1/54 36/5-5/18 36/25-1/18 36/5-1/90 36/5-7/18 36/35-1/18