Subtract 84/8 from 45/54
1st number: 45/54, 2nd number: 10 4/8
45/54 - 84/8 is -29/3.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 8 is 216
Next, find the equivalent fraction of both fractional numbers with denominator 216 - For the 1st fraction, since 54 × 4 = 216,
45/54 = 45 × 4/54 × 4 = 180/216 - Likewise, for the 2nd fraction, since 8 × 27 = 216,
84/8 = 84 × 27/8 × 27 = 2268/216 - Subtract the two like fractions:
180/216 - 2268/216 = 180 - 2268/216 = -2088/216 - After reducing the fraction, the answer is -29/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/54-84/8 45/54-84/16 45/54-84/24 45/54-84/40 45/54-84/56