Subtract 25/27 from 42/48
42/48 - 25/27 is -11/216.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 27 is 432
Next, find the equivalent fraction of both fractional numbers with denominator 432 - For the 1st fraction, since 48 × 9 = 432,
42/48 = 42 × 9/48 × 9 = 378/432 - Likewise, for the 2nd fraction, since 27 × 16 = 432,
25/27 = 25 × 16/27 × 16 = 400/432 - Subtract the two like fractions:
378/432 - 400/432 = 378 - 400/432 = -22/432 - After reducing the fraction, the answer is -11/216
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