Subtract 63/75 from 6/40
6/40 - 63/75 is -69/100.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 75 is 600
Next, find the equivalent fraction of both fractional numbers with denominator 600 - For the 1st fraction, since 40 × 15 = 600,
6/40 = 6 × 15/40 × 15 = 90/600 - Likewise, for the 2nd fraction, since 75 × 8 = 600,
63/75 = 63 × 8/75 × 8 = 504/600 - Subtract the two like fractions:
90/600 - 504/600 = 90 - 504/600 = -414/600 - After reducing the fraction, the answer is -69/100
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/40-63/75 6/80-63/75 18/40-63/75 30/40-63/75 42/40-63/75