Subtract 10/54 from 8/45
8/45 - 10/54 is -1/135.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 54 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 45 × 6 = 270,
8/45 = 8 × 6/45 × 6 = 48/270 - Likewise, for the 2nd fraction, since 54 × 5 = 270,
10/54 = 10 × 5/54 × 5 = 50/270 - Subtract the two like fractions:
48/270 - 50/270 = 48 - 50/270 = -2/270 - After reducing the fraction, the answer is -1/135
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/45-10/54 8/45-20/54 8/90-10/54 24/45-10/54 8/45-30/54 40/45-10/54 8/45-50/54 56/45-10/54 8/45-70/54