Subtract 30/36 from 30/8
1st number: 3 6/8, 2nd number: 30/36
30/8 - 30/36 is 35/12.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 36 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 8 × 9 = 72,
30/8 = 30 × 9/8 × 9 = 270/72 - Likewise, for the 2nd fraction, since 36 × 2 = 72,
30/36 = 30 × 2/36 × 2 = 60/72 - Subtract the two like fractions:
270/72 - 60/72 = 270 - 60/72 = 210/72 - After reducing the fraction, the answer is 35/12
- In mixed form: 211/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/8-30/36 30/8-60/36 30/16-30/36 30/8-30/72 90/8-30/36 30/8-90/36 30/24-30/36 30/40-30/36 30/56-30/36