Subtract 30/18 from 35/5
1st number: 7 0/5, 2nd number: 1 12/18
35/5 - 30/18 is 16/3.
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,
35/5 = 35 × 18/5 × 18 = 630/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
30/18 = 30 × 5/18 × 5 = 150/90 - Subtract the two like fractions:
630/90 - 150/90 = 630 - 150/90 = 480/90 - After reducing the fraction, the answer is 16/3
- In mixed form: 51/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/5-30/18 35/5-60/18 35/10-30/18 35/5-30/36 35/5-90/18 35/15-30/18 35/5-30/54 35/25-30/18 35/5-30/90