Subtract 28/50 from 9/63
9/63 - 28/50 is -73/175.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 50 is 3150
Next, find the equivalent fraction of both fractional numbers with denominator 3150 - For the 1st fraction, since 63 × 50 = 3150,
9/63 = 9 × 50/63 × 50 = 450/3150 - Likewise, for the 2nd fraction, since 50 × 63 = 3150,
28/50 = 28 × 63/50 × 63 = 1764/3150 - Subtract the two like fractions:
450/3150 - 1764/3150 = 450 - 1764/3150 = -1314/3150 - After reducing the fraction, the answer is -73/175
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/63-28/50 9/63-56/50 27/63-28/50 9/63-84/50 45/63-28/50