Subtract 10/84 from 30/18
1st number: 1 12/18, 2nd number: 10/84
30/18 - 10/84 is 65/42.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 84 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 18 × 14 = 252,
30/18 = 30 × 14/18 × 14 = 420/252 - Likewise, for the 2nd fraction, since 84 × 3 = 252,
10/84 = 10 × 3/84 × 3 = 30/252 - Subtract the two like fractions:
420/252 - 30/252 = 420 - 30/252 = 390/252 - After reducing the fraction, the answer is 65/42
- In mixed form: 123/42
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