Subtract 21/27 from 45/9
1st number: 5 0/9, 2nd number: 21/27
45/9 - 21/27 is 38/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 27 is 27
Next, find the equivalent fraction of both fractional numbers with denominator 27 - For the 1st fraction, since 9 × 3 = 27,
45/9 = 45 × 3/9 × 3 = 135/27 - Likewise, for the 2nd fraction, since 27 × 1 = 27,
21/27 = 21 × 1/27 × 1 = 21/27 - Subtract the two like fractions:
135/27 - 21/27 = 135 - 21/27 = 114/27 - After reducing the fraction, the answer is 38/9
- In mixed form: 42/9
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