Subtract 75/40 from 63/30
1st number: 2 3/30, 2nd number: 1 35/40
63/30 - 75/40 is 9/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 40 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 30 × 4 = 120,
63/30 = 63 × 4/30 × 4 = 252/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
75/40 = 75 × 3/40 × 3 = 225/120 - Subtract the two like fractions:
252/120 - 225/120 = 252 - 225/120 = 27/120 - After reducing the fraction, the answer is 9/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/60-75/40 63/30-75/80 63/90-75/40