Subtract 3/8 from 30/9
1st number: 3 3/9, 2nd number: 3/8
30/9 - 3/8 is 71/24.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 8 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 9 × 8 = 72,
30/9 = 30 × 8/9 × 8 = 240/72 - Likewise, for the 2nd fraction, since 8 × 9 = 72,
3/8 = 3 × 9/8 × 9 = 27/72 - Subtract the two like fractions:
240/72 - 27/72 = 240 - 27/72 = 213/72 - After reducing the fraction, the answer is 71/24
- In mixed form: 223/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/9-3/8 30/9-6/8 30/18-3/8 30/9-3/16 90/9-3/8 30/9-9/8 30/27-3/8 30/9-3/24 30/9-15/8 30/45-3/8 30/9-3/40 30/9-21/8 30/63-3/8 30/9-3/56