Subtract 84/45 from 72/9
1st number: 8 0/9, 2nd number: 1 39/45
72/9 - 84/45 is 92/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 45 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 9 × 5 = 45,
72/9 = 72 × 5/9 × 5 = 360/45 - Likewise, for the 2nd fraction, since 45 × 1 = 45,
84/45 = 84 × 1/45 × 1 = 84/45 - Subtract the two like fractions:
360/45 - 84/45 = 360 - 84/45 = 276/45 - After reducing the fraction, the answer is 92/15
- In mixed form: 62/15
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