Subtract 75/4 from 63/20
1st number: 3 3/20, 2nd number: 18 3/4
63/20 - 75/4 is -78/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 4 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 20 × 1 = 20,
63/20 = 63 × 1/20 × 1 = 63/20 - Likewise, for the 2nd fraction, since 4 × 5 = 20,
75/4 = 75 × 5/4 × 5 = 375/20 - Subtract the two like fractions:
63/20 - 375/20 = 63 - 375/20 = -312/20 - After reducing the fraction, the answer is -78/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/40-75/4 63/20-75/8 63/60-75/4 63/20-75/12 63/20-75/20 63/20-75/28