Subtract 21/9 from 84/56
1st number: 1 28/56, 2nd number: 2 3/9
84/56 - 21/9 is -5/6.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 9 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 56 × 9 = 504,
84/56 = 84 × 9/56 × 9 = 756/504 - Likewise, for the 2nd fraction, since 9 × 56 = 504,
21/9 = 21 × 56/9 × 56 = 1176/504 - Subtract the two like fractions:
756/504 - 1176/504 = 756 - 1176/504 = -420/504 - After reducing the fraction, the answer is -5/6
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