Subtract 48/30 from 9/12
1st number: 9/12, 2nd number: 1 18/30
9/12 - 48/30 is -17/20.
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,
9/12 = 9 × 5/12 × 5 = 45/60 - Likewise, for the 2nd fraction, since 30 × 2 = 60,
48/30 = 48 × 2/30 × 2 = 96/60 - Subtract the two like fractions:
45/60 - 96/60 = 45 - 96/60 = -51/60 - After reducing the fraction, the answer is -17/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/12-48/30 9/12-96/30 9/24-48/30 9/12-48/60 27/12-48/30 9/36-48/30 9/12-48/90 45/12-48/30 9/60-48/30 63/12-48/30 9/84-48/30