Subtract 42/20 from 54/2
1st number: 27 0/2, 2nd number: 2 2/20
54/2 - 42/20 is 249/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 20 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 2 × 10 = 20,
54/2 = 54 × 10/2 × 10 = 540/20 - Likewise, for the 2nd fraction, since 20 × 1 = 20,
42/20 = 42 × 1/20 × 1 = 42/20 - Subtract the two like fractions:
540/20 - 42/20 = 540 - 42/20 = 498/20 - After reducing the fraction, the answer is 249/10
- In mixed form: 249/10
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