Subtract 45/14 from 12/63
1st number: 12/63, 2nd number: 3 3/14
12/63 - 45/14 is -127/42.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 14 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 63 × 2 = 126,
12/63 = 12 × 2/63 × 2 = 24/126 - Likewise, for the 2nd fraction, since 14 × 9 = 126,
45/14 = 45 × 9/14 × 9 = 405/126 - Subtract the two like fractions:
24/126 - 405/126 = 24 - 405/126 = -381/126 - After reducing the fraction, the answer is -127/42
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