Subtract 42/54 from 12/5
1st number: 2 2/5, 2nd number: 42/54
12/5 - 42/54 is 73/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 54 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 5 × 54 = 270,
12/5 = 12 × 54/5 × 54 = 648/270 - Likewise, for the 2nd fraction, since 54 × 5 = 270,
42/54 = 42 × 5/54 × 5 = 210/270 - Subtract the two like fractions:
648/270 - 210/270 = 648 - 210/270 = 438/270 - After reducing the fraction, the answer is 73/45
- In mixed form: 128/45
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