Subtract 7/30 from 36/18
1st number: 2 0/18, 2nd number: 7/30
36/18 - 7/30 is 53/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 30 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 18 × 5 = 90,
36/18 = 36 × 5/18 × 5 = 180/90 - Likewise, for the 2nd fraction, since 30 × 3 = 90,
7/30 = 7 × 3/30 × 3 = 21/90 - Subtract the two like fractions:
180/90 - 21/90 = 180 - 21/90 = 159/90 - After reducing the fraction, the answer is 53/30
- In mixed form: 123/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/18-7/30 36/18-14/30 36/18-7/60 36/18-21/30 36/54-7/30 36/18-7/90 36/18-35/30 36/90-7/30 36/18-49/30