Subtract 42/54 from 90/5
1st number: 18 0/5, 2nd number: 42/54
90/5 - 42/54 is 155/9.
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,
90/5 = 90 × 54/5 × 54 = 4860/270 - Likewise, for the 2nd fraction, since 54 × 5 = 270,
42/54 = 42 × 5/54 × 5 = 210/270 - Subtract the two like fractions:
4860/270 - 210/270 = 4860 - 210/270 = 4650/270 - After reducing the fraction, the answer is 155/9
- In mixed form: 172/9
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