Subtract 15/36 from 72/9
1st number: 8 0/9, 2nd number: 15/36
72/9 - 15/36 is 91/12.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 36 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 9 × 4 = 36,
72/9 = 72 × 4/9 × 4 = 288/36 - Likewise, for the 2nd fraction, since 36 × 1 = 36,
15/36 = 15 × 1/36 × 1 = 15/36 - Subtract the two like fractions:
288/36 - 15/36 = 288 - 15/36 = 273/36 - After reducing the fraction, the answer is 91/12
- In mixed form: 77/12
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