Subtract 27/42 from 7/2
1st number: 3 1/2, 2nd number: 27/42
7/2 - 27/42 is 20/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 42 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 2 × 21 = 42,
7/2 = 7 × 21/2 × 21 = 147/42 - Likewise, for the 2nd fraction, since 42 × 1 = 42,
27/42 = 27 × 1/42 × 1 = 27/42 - Subtract the two like fractions:
147/42 - 27/42 = 147 - 27/42 = 120/42 - After reducing the fraction, the answer is 20/7
- In mixed form: 26/7
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