Subtract 30/50 from 90/63
1st number: 1 27/63, 2nd number: 30/50
90/63 - 30/50 is 29/35.
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,
90/63 = 90 × 50/63 × 50 = 4500/3150 - Likewise, for the 2nd fraction, since 50 × 63 = 3150,
30/50 = 30 × 63/50 × 63 = 1890/3150 - Subtract the two like fractions:
4500/3150 - 1890/3150 = 4500 - 1890/3150 = 2610/3150 - After reducing the fraction, the answer is 29/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/63-60/50 90/63-90/50