Subtract 21/54 from 15/14
1st number: 1 1/14, 2nd number: 21/54
15/14 - 21/54 is 43/63.
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,
15/14 = 15 × 27/14 × 27 = 405/378 - Likewise, for the 2nd fraction, since 54 × 7 = 378,
21/54 = 21 × 7/54 × 7 = 147/378 - Subtract the two like fractions:
405/378 - 147/378 = 405 - 147/378 = 258/378 - After reducing the fraction, the answer is 43/63
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