Subtract 54/27 from 48/21
1st number: 2 6/21, 2nd number: 2 0/27
48/21 - 54/27 is 2/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 27 is 189
Next, find the equivalent fraction of both fractional numbers with denominator 189 - For the 1st fraction, since 21 × 9 = 189,
48/21 = 48 × 9/21 × 9 = 432/189 - Likewise, for the 2nd fraction, since 27 × 7 = 189,
54/27 = 54 × 7/27 × 7 = 378/189 - Subtract the two like fractions:
432/189 - 378/189 = 432 - 378/189 = 54/189 - After reducing the fraction, the answer is 2/7
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