Subtract 54/48 from 8/21
1st number: 8/21, 2nd number: 1 6/48
8/21 - 54/48 is -125/168.
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,
8/21 = 8 × 16/21 × 16 = 128/336 - Likewise, for the 2nd fraction, since 48 × 7 = 336,
54/48 = 54 × 7/48 × 7 = 378/336 - Subtract the two like fractions:
128/336 - 378/336 = 128 - 378/336 = -250/336 - After reducing the fraction, the answer is -125/168
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