Subtract 42/96 from 7/27
7/27 - 42/96 is -77/432.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 96 is 864
Next, find the equivalent fraction of both fractional numbers with denominator 864 - For the 1st fraction, since 27 × 32 = 864,
7/27 = 7 × 32/27 × 32 = 224/864 - Likewise, for the 2nd fraction, since 96 × 9 = 864,
42/96 = 42 × 9/96 × 9 = 378/864 - Subtract the two like fractions:
224/864 - 378/864 = 224 - 378/864 = -154/864 - After reducing the fraction, the answer is -77/432
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