Subtract 75/63 from 18/50
1st number: 18/50, 2nd number: 1 12/63
18/50 - 75/63 is -436/525.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 63 is 3150
Next, find the equivalent fraction of both fractional numbers with denominator 3150 - For the 1st fraction, since 50 × 63 = 3150,
18/50 = 18 × 63/50 × 63 = 1134/3150 - Likewise, for the 2nd fraction, since 63 × 50 = 3150,
75/63 = 75 × 50/63 × 50 = 3750/3150 - Subtract the two like fractions:
1134/3150 - 3750/3150 = 1134 - 3750/3150 = -2616/3150 - After reducing the fraction, the answer is -436/525
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/50-75/63 54/50-75/63 90/50-75/63