Subtract 63/75 from 9/30
9/30 - 63/75 is -27/50.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 75 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 75 × 2 = 150,
63/75 = 63 × 2/75 × 2 = 126/150 - Subtract the two like fractions:
45/150 - 126/150 = 45 - 126/150 = -81/150 - After reducing the fraction, the answer is -27/50
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/30-63/75 9/60-63/75 27/30-63/75 9/90-63/75 45/30-63/75 63/30-63/75