Subtract 2/84 from 12/9
1st number: 1 3/9, 2nd number: 2/84
12/9 - 2/84 is 55/42.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 84 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 9 × 28 = 252,
12/9 = 12 × 28/9 × 28 = 336/252 - Likewise, for the 2nd fraction, since 84 × 3 = 252,
2/84 = 2 × 3/84 × 3 = 6/252 - Subtract the two like fractions:
336/252 - 6/252 = 336 - 6/252 = 330/252 - After reducing the fraction, the answer is 55/42
- In mixed form: 113/42
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