Subtract 28/35 from 1/27
1/27 - 28/35 is -103/135.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 35 is 945
Next, find the equivalent fraction of both fractional numbers with denominator 945 - For the 1st fraction, since 27 × 35 = 945,
1/27 = 1 × 35/27 × 35 = 35/945 - Likewise, for the 2nd fraction, since 35 × 27 = 945,
28/35 = 28 × 27/35 × 27 = 756/945 - Subtract the two like fractions:
35/945 - 756/945 = 35 - 756/945 = -721/945 - After reducing the fraction, the answer is -103/135
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