Subtract 9/84 from 9/72
9/72 - 9/84 is 1/56.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 84 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 72 × 7 = 504,
9/72 = 9 × 7/72 × 7 = 63/504 - Likewise, for the 2nd fraction, since 84 × 6 = 504,
9/84 = 9 × 6/84 × 6 = 54/504 - Subtract the two like fractions:
63/504 - 54/504 = 63 - 54/504 = 9/504 - After reducing the fraction, the answer is 1/56
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