Subtract 30/27 from 42/3
1st number: 14 0/3, 2nd number: 1 3/27
42/3 - 30/27 is 116/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 27 is 27
Next, find the equivalent fraction of both fractional numbers with denominator 27 - For the 1st fraction, since 3 × 9 = 27,
42/3 = 42 × 9/3 × 9 = 378/27 - Likewise, for the 2nd fraction, since 27 × 1 = 27,
30/27 = 30 × 1/27 × 1 = 30/27 - Subtract the two like fractions:
378/27 - 30/27 = 378 - 30/27 = 348/27 - After reducing the fraction, the answer is 116/9
- In mixed form: 128/9
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