Subtract 7/9 from 84/72
1st number: 1 12/72, 2nd number: 7/9
84/72 - 7/9 is 7/18.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 9 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 72 × 1 = 72,
84/72 = 84 × 1/72 × 1 = 84/72 - Likewise, for the 2nd fraction, since 9 × 8 = 72,
7/9 = 7 × 8/9 × 8 = 56/72 - Subtract the two like fractions:
84/72 - 56/72 = 84 - 56/72 = 28/72 - After reducing the fraction, the answer is 7/18
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