Subtract 49/30 from 18/25
1st number: 18/25, 2nd number: 1 19/30
18/25 - 49/30 is -137/150.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 30 is 150
Next, find the equivalent fraction of both fractional numbers with denominator 150 - For the 1st fraction, since 25 × 6 = 150,
18/25 = 18 × 6/25 × 6 = 108/150 - Likewise, for the 2nd fraction, since 30 × 5 = 150,
49/30 = 49 × 5/30 × 5 = 245/150 - Subtract the two like fractions:
108/150 - 245/150 = 108 - 245/150 = -137/150
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/25-49/30 18/25-98/30 18/50-49/30 18/25-49/60 54/25-49/30 18/75-49/30 18/25-49/90 90/25-49/30