Subtract 8/10 from 45/54
45/54 - 8/10 is 1/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 10 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 54 × 5 = 270,
45/54 = 45 × 5/54 × 5 = 225/270 - Likewise, for the 2nd fraction, since 10 × 27 = 270,
8/10 = 8 × 27/10 × 27 = 216/270 - Subtract the two like fractions:
225/270 - 216/270 = 225 - 216/270 = 9/270 - After reducing the fraction, the answer is 1/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/54-8/10 45/54-16/10 45/54-8/20 45/54-24/10 45/54-8/30 45/54-40/10 45/54-8/50 45/54-56/10 45/54-8/70