Subtract 45/54 from 50/30
1st number: 1 20/30, 2nd number: 45/54
50/30 - 45/54 is 5/6.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 54 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 30 × 9 = 270,
50/30 = 50 × 9/30 × 9 = 450/270 - Likewise, for the 2nd fraction, since 54 × 5 = 270,
45/54 = 45 × 5/54 × 5 = 225/270 - Subtract the two like fractions:
450/270 - 225/270 = 450 - 225/270 = 225/270 - After reducing the fraction, the answer is 5/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/30-90/54 50/60-45/54 50/90-45/54