Subtract 84/28 from 7/9
1st number: 7/9, 2nd number: 3 0/28
7/9 - 84/28 is -20/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 28 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 9 × 28 = 252,
7/9 = 7 × 28/9 × 28 = 196/252 - Likewise, for the 2nd fraction, since 28 × 9 = 252,
84/28 = 84 × 9/28 × 9 = 756/252 - Subtract the two like fractions:
196/252 - 756/252 = 196 - 756/252 = -560/252 - After reducing the fraction, the answer is -20/9
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