Subtract 63/42 from 1/2
1st number: 1/2, 2nd number: 1 21/42
1/2 - 63/42 is -1/1.
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,
1/2 = 1 × 21/2 × 21 = 21/42 - Likewise, for the 2nd fraction, since 42 × 1 = 42,
63/42 = 63 × 1/42 × 1 = 63/42 - Subtract the two like fractions:
21/42 - 63/42 = 21 - 63/42 = -42/42 - After reducing the fraction, the answer is -1/1
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