Subtract 7/63 from 45/12
1st number: 3 9/12, 2nd number: 7/63
45/12 - 7/63 is 131/36.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 63 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 12 × 21 = 252,
45/12 = 45 × 21/12 × 21 = 945/252 - Likewise, for the 2nd fraction, since 63 × 4 = 252,
7/63 = 7 × 4/63 × 4 = 28/252 - Subtract the two like fractions:
945/252 - 28/252 = 945 - 28/252 = 917/252 - After reducing the fraction, the answer is 131/36
- In mixed form: 323/36
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