Subtract 48/45 from 4/12
1st number: 4/12, 2nd number: 1 3/45
4/12 - 48/45 is -11/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 45 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 12 × 15 = 180,
4/12 = 4 × 15/12 × 15 = 60/180 - Likewise, for the 2nd fraction, since 45 × 4 = 180,
48/45 = 48 × 4/45 × 4 = 192/180 - Subtract the two like fractions:
60/180 - 192/180 = 60 - 192/180 = -132/180 - After reducing the fraction, the answer is -11/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/12-48/45 4/12-96/45 4/24-48/45 4/12-48/90 4/36-48/45 20/12-48/45 4/60-48/45 28/12-48/45 4/84-48/45