Subtract 7/84 from 28/9
1st number: 3 1/9, 2nd number: 7/84
28/9 - 7/84 is 109/36.
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,
28/9 = 28 × 28/9 × 28 = 784/252 - Likewise, for the 2nd fraction, since 84 × 3 = 252,
7/84 = 7 × 3/84 × 3 = 21/252 - Subtract the two like fractions:
784/252 - 21/252 = 784 - 21/252 = 763/252 - After reducing the fraction, the answer is 109/36
- In mixed form: 31/36
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