Subtract 84/56 from 4/72
1st number: 4/72, 2nd number: 1 28/56
4/72 - 84/56 is -13/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 56 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 72 × 7 = 504,
4/72 = 4 × 7/72 × 7 = 28/504 - Likewise, for the 2nd fraction, since 56 × 9 = 504,
84/56 = 84 × 9/56 × 9 = 756/504 - Subtract the two like fractions:
28/504 - 756/504 = 28 - 756/504 = -728/504 - After reducing the fraction, the answer is -13/9
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