Subtract 75/12 from 40/63
1st number: 40/63, 2nd number: 6 3/12
40/63 - 75/12 is -1415/252.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 12 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 63 × 4 = 252,
40/63 = 40 × 4/63 × 4 = 160/252 - Likewise, for the 2nd fraction, since 12 × 21 = 252,
75/12 = 75 × 21/12 × 21 = 1575/252 - Subtract the two like fractions:
160/252 - 1575/252 = 160 - 1575/252 = -1415/252
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