Subtract 9/12 from 5/30
5/30 - 9/12 is -7/12.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 12 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 30 × 2 = 60,
5/30 = 5 × 2/30 × 2 = 10/60 - Likewise, for the 2nd fraction, since 12 × 5 = 60,
9/12 = 9 × 5/12 × 5 = 45/60 - Subtract the two like fractions:
10/60 - 45/60 = 10 - 45/60 = -35/60 - After reducing the fraction, the answer is -7/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/30-9/12 5/30-18/12 5/60-9/12 5/30-9/24 15/30-9/12 5/30-27/12 5/90-9/12 5/30-9/36 25/30-9/12 5/30-45/12 5/30-9/60 35/30-9/12 5/30-63/12 5/30-9/84