Subtract 30/42 from 36/3
1st number: 12 0/3, 2nd number: 30/42
36/3 - 30/42 is 79/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 42 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 3 × 14 = 42,
36/3 = 36 × 14/3 × 14 = 504/42 - Likewise, for the 2nd fraction, since 42 × 1 = 42,
30/42 = 30 × 1/42 × 1 = 30/42 - Subtract the two like fractions:
504/42 - 30/42 = 504 - 30/42 = 474/42 - After reducing the fraction, the answer is 79/7
- In mixed form: 112/7
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