Subtract 90/54 from 21/6
1st number: 3 3/6, 2nd number: 1 36/54
21/6 - 90/54 is 11/6.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 54 is 54
Next, find the equivalent fraction of both fractional numbers with denominator 54 - For the 1st fraction, since 6 × 9 = 54,
21/6 = 21 × 9/6 × 9 = 189/54 - Likewise, for the 2nd fraction, since 54 × 1 = 54,
90/54 = 90 × 1/54 × 1 = 90/54 - Subtract the two like fractions:
189/54 - 90/54 = 189 - 90/54 = 99/54 - After reducing the fraction, the answer is 11/6
- In mixed form: 15/6
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