Subtract 72/9 from 27/4
1st number: 6 3/4, 2nd number: 8 0/9
27/4 - 72/9 is -5/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 9 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 4 × 9 = 36,
27/4 = 27 × 9/4 × 9 = 243/36 - Likewise, for the 2nd fraction, since 9 × 4 = 36,
72/9 = 72 × 4/9 × 4 = 288/36 - Subtract the two like fractions:
243/36 - 288/36 = 243 - 288/36 = -45/36 - After reducing the fraction, the answer is -5/4
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