Subtract 18/30 from 49/12
1st number: 4 1/12, 2nd number: 18/30
49/12 - 18/30 is 209/60.
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,
49/12 = 49 × 5/12 × 5 = 245/60 - Likewise, for the 2nd fraction, since 30 × 2 = 60,
18/30 = 18 × 2/30 × 2 = 36/60 - Subtract the two like fractions:
245/60 - 36/60 = 245 - 36/60 = 209/60 - In mixed form: 329/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/12-18/30 49/12-36/30 49/24-18/30 49/12-18/60 49/12-54/30 49/36-18/30 49/12-18/90 49/12-90/30 49/60-18/30 49/84-18/30