Subtract 72/84 from 9/3
1st number: 3 0/3, 2nd number: 72/84
9/3 - 72/84 is 15/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 84 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 3 × 28 = 84,
9/3 = 9 × 28/3 × 28 = 252/84 - Likewise, for the 2nd fraction, since 84 × 1 = 84,
72/84 = 72 × 1/84 × 1 = 72/84 - Subtract the two like fractions:
252/84 - 72/84 = 252 - 72/84 = 180/84 - After reducing the fraction, the answer is 15/7
- In mixed form: 21/7
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