Subtract 1/30 from 30/12
1st number: 2 6/12, 2nd number: 1/30
30/12 - 1/30 is 37/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 30 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 12 × 5 = 60,
30/12 = 30 × 5/12 × 5 = 150/60 - Likewise, for the 2nd fraction, since 30 × 2 = 60,
1/30 = 1 × 2/30 × 2 = 2/60 - Subtract the two like fractions:
150/60 - 2/60 = 150 - 2/60 = 148/60 - After reducing the fraction, the answer is 37/15
- In mixed form: 27/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/12-1/30 30/12-2/30 30/24-1/30 30/12-1/60 90/12-1/30 30/12-3/30 30/36-1/30 30/12-1/90 30/12-5/30 30/60-1/30 30/12-7/30 30/84-1/30