Subtract 21/27 from 28/14
1st number: 2 0/14, 2nd number: 21/27
28/14 - 21/27 is 11/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 27 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 27 × 14 = 378,
21/27 = 21 × 14/27 × 14 = 294/378 - Subtract the two like fractions:
756/378 - 294/378 = 756 - 294/378 = 462/378 - After reducing the fraction, the answer is 11/9
- In mixed form: 12/9
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