Subtract 7/9 from 3/84
3/84 - 7/9 is -187/252.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 9 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 84 × 3 = 252,
3/84 = 3 × 3/84 × 3 = 9/252 - Likewise, for the 2nd fraction, since 9 × 28 = 252,
7/9 = 7 × 28/9 × 28 = 196/252 - Subtract the two like fractions:
9/252 - 196/252 = 9 - 196/252 = -187/252
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