Subtract 45/6 from 42/2
1st number: 21 0/2, 2nd number: 7 3/6
42/2 - 45/6 is 27/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 6 is 6
Next, find the equivalent fraction of both fractional numbers with denominator 6 - For the 1st fraction, since 2 × 3 = 6,
42/2 = 42 × 3/2 × 3 = 126/6 - Likewise, for the 2nd fraction, since 6 × 1 = 6,
45/6 = 45 × 1/6 × 1 = 45/6 - Subtract the two like fractions:
126/6 - 45/6 = 126 - 45/6 = 81/6 - After reducing the fraction, the answer is 27/2
- In mixed form: 131/2
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