Subtract 27/48 from 18/21
18/21 - 27/48 is 33/112.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 48 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 21 × 16 = 336,
18/21 = 18 × 16/21 × 16 = 288/336 - Likewise, for the 2nd fraction, since 48 × 7 = 336,
27/48 = 27 × 7/48 × 7 = 189/336 - Subtract the two like fractions:
288/336 - 189/336 = 288 - 189/336 = 99/336 - After reducing the fraction, the answer is 33/112
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