Subtract 1/12 from 9/45
9/45 - 1/12 is 7/60.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 12 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 45 × 4 = 180,
9/45 = 9 × 4/45 × 4 = 36/180 - Likewise, for the 2nd fraction, since 12 × 15 = 180,
1/12 = 1 × 15/12 × 15 = 15/180 - Subtract the two like fractions:
36/180 - 15/180 = 36 - 15/180 = 21/180 - After reducing the fraction, the answer is 7/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/45-1/12 9/45-2/12 9/90-1/12 9/45-1/24 27/45-1/12 9/45-3/12 9/45-1/36 9/45-5/12 9/45-1/60 63/45-1/12 9/45-7/12 9/45-1/84