Subtract 12/18 from 3/56
3/56 - 12/18 is -103/168.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 18 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 56 × 9 = 504,
3/56 = 3 × 9/56 × 9 = 27/504 - Likewise, for the 2nd fraction, since 18 × 28 = 504,
12/18 = 12 × 28/18 × 28 = 336/504 - Subtract the two like fractions:
27/504 - 336/504 = 27 - 336/504 = -309/504 - After reducing the fraction, the answer is -103/168
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