Subtract 18/32 from 30/12
1st number: 2 6/12, 2nd number: 18/32
30/12 - 18/32 is 31/16.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 32 is 96
Next, find the equivalent fraction of both fractional numbers with denominator 96 - For the 1st fraction, since 12 × 8 = 96,
30/12 = 30 × 8/12 × 8 = 240/96 - Likewise, for the 2nd fraction, since 32 × 3 = 96,
18/32 = 18 × 3/32 × 3 = 54/96 - Subtract the two like fractions:
240/96 - 54/96 = 240 - 54/96 = 186/96 - After reducing the fraction, the answer is 31/16
- In mixed form: 115/16
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/12-18/32 30/12-36/32 30/24-18/32 30/12-18/64 90/12-18/32 30/12-54/32 30/36-18/32 30/12-18/96 30/12-90/32 30/60-18/32 30/84-18/32