Subtract 72/18 from 84/56
1st number: 1 28/56, 2nd number: 4 0/18
84/56 - 72/18 is -5/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 18 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 18 × 28 = 504,
72/18 = 72 × 28/18 × 28 = 2016/504 - Subtract the two like fractions:
756/504 - 2016/504 = 756 - 2016/504 = -1260/504 - After reducing the fraction, the answer is -5/2
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