Subtract 21/54 from 8/14
8/14 - 21/54 is 23/126.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 54 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 14 × 27 = 378,
8/14 = 8 × 27/14 × 27 = 216/378 - Likewise, for the 2nd fraction, since 54 × 7 = 378,
21/54 = 21 × 7/54 × 7 = 147/378 - Subtract the two like fractions:
216/378 - 147/378 = 216 - 147/378 = 69/378 - After reducing the fraction, the answer is 23/126
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