Subtract 49/30 from 25/18
1st number: 1 7/18, 2nd number: 1 19/30
25/18 - 49/30 is -11/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 30 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 18 × 5 = 90,
25/18 = 25 × 5/18 × 5 = 125/90 - Likewise, for the 2nd fraction, since 30 × 3 = 90,
49/30 = 49 × 3/30 × 3 = 147/90 - Subtract the two like fractions:
125/90 - 147/90 = 125 - 147/90 = -22/90 - After reducing the fraction, the answer is -11/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/18-49/30 25/18-98/30 25/36-49/30 25/18-49/60 75/18-49/30 25/54-49/30 25/18-49/90 25/90-49/30