Subtract 5/42 from 63/54
1st number: 1 9/54, 2nd number: 5/42
63/54 - 5/42 is 22/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 42 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 54 × 7 = 378,
63/54 = 63 × 7/54 × 7 = 441/378 - Likewise, for the 2nd fraction, since 42 × 9 = 378,
5/42 = 5 × 9/42 × 9 = 45/378 - Subtract the two like fractions:
441/378 - 45/378 = 441 - 45/378 = 396/378 - After reducing the fraction, the answer is 22/21
- In mixed form: 11/21
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