Subtract 16/56 from 12/18
12/18 - 16/56 is 8/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 56 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 18 × 28 = 504,
12/18 = 12 × 28/18 × 28 = 336/504 - Likewise, for the 2nd fraction, since 56 × 9 = 504,
16/56 = 16 × 9/56 × 9 = 144/504 - Subtract the two like fractions:
336/504 - 144/504 = 336 - 144/504 = 192/504 - After reducing the fraction, the answer is 8/21
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