Subtract 27/42 from 4/8
48 - 2742 is -17.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 42 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 8 × 21 = 168,
48 = 4 × 218 × 21 = 84168 - Likewise, for the 2nd fraction, since 42 × 4 = 168,
2742 = 27 × 442 × 4 = 108168 - Subtract the two like fractions:
84168 - 108168 = 84 - 108168 = -24168 - After reducing the fraction, the answer is -17
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