Subtract 27/3 from 72/28
1st number: 2 16/28, 2nd number: 9 0/3
72/28 - 27/3 is -45/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 3 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 28 × 3 = 84,
72/28 = 72 × 3/28 × 3 = 216/84 - Likewise, for the 2nd fraction, since 3 × 28 = 84,
27/3 = 27 × 28/3 × 28 = 756/84 - Subtract the two like fractions:
216/84 - 756/84 = 216 - 756/84 = -540/84 - After reducing the fraction, the answer is -45/7
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