Subtract 84/32 from 28/18
1st number: 1 10/18, 2nd number: 2 20/32
28/18 - 84/32 is -77/72.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 32 is 288
Next, find the equivalent fraction of both fractional numbers with denominator 288 - For the 1st fraction, since 18 × 16 = 288,
28/18 = 28 × 16/18 × 16 = 448/288 - Likewise, for the 2nd fraction, since 32 × 9 = 288,
84/32 = 84 × 9/32 × 9 = 756/288 - Subtract the two like fractions:
448/288 - 756/288 = 448 - 756/288 = -308/288 - After reducing the fraction, the answer is -77/72
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