Subtract 21/54 from 28/14
1st number: 2 0/14, 2nd number: 21/54
28/14 - 21/54 is 29/18.
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,
28/14 = 28 × 27/14 × 27 = 756/378 - Likewise, for the 2nd fraction, since 54 × 7 = 378,
21/54 = 21 × 7/54 × 7 = 147/378 - Subtract the two like fractions:
756/378 - 147/378 = 756 - 147/378 = 609/378 - After reducing the fraction, the answer is 29/18
- In mixed form: 111/18
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