Subtract 21/54 from 84/8
1st number: 10 4/8, 2nd number: 21/54
84/8 - 21/54 is 91/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 54 is 216
Next, find the equivalent fraction of both fractional numbers with denominator 216 - For the 1st fraction, since 8 × 27 = 216,
84/8 = 84 × 27/8 × 27 = 2268/216 - Likewise, for the 2nd fraction, since 54 × 4 = 216,
21/54 = 21 × 4/54 × 4 = 84/216 - Subtract the two like fractions:
2268/216 - 84/216 = 2268 - 84/216 = 2184/216 - After reducing the fraction, the answer is 91/9
- In mixed form: 101/9
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