Subtract 49/9 from 84/72
1st number: 1 12/72, 2nd number: 5 4/9
84/72 - 49/9 is -77/18.
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,
49/9 = 49 × 8/9 × 8 = 392/72 - Subtract the two like fractions:
84/72 - 392/72 = 84 - 392/72 = -308/72 - After reducing the fraction, the answer is -77/18
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