Subtract 21/6 from 45/4
1st number: 11 1/4, 2nd number: 3 3/6
45/4 - 21/6 is 31/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 6 is 12
Next, find the equivalent fraction of both fractional numbers with denominator 12 - For the 1st fraction, since 4 × 3 = 12,
45/4 = 45 × 3/4 × 3 = 135/12 - Likewise, for the 2nd fraction, since 6 × 2 = 12,
21/6 = 21 × 2/6 × 2 = 42/12 - Subtract the two like fractions:
135/12 - 42/12 = 135 - 42/12 = 93/12 - After reducing the fraction, the answer is 31/4
- In mixed form: 73/4
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