Subtract 49/50 from 9/30
9/30 - 49/50 is -17/25.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 50 is 150
Next, find the equivalent fraction of both fractional numbers with denominator 150 - For the 1st fraction, since 30 × 5 = 150,
9/30 = 9 × 5/30 × 5 = 45/150 - Likewise, for the 2nd fraction, since 50 × 3 = 150,
49/50 = 49 × 3/50 × 3 = 147/150 - Subtract the two like fractions:
45/150 - 147/150 = 45 - 147/150 = -102/150 - After reducing the fraction, the answer is -17/25
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/30-49/50 9/30-98/50 9/60-49/50 27/30-49/50 9/90-49/50 45/30-49/50 63/30-49/50