Subtract 20/18 from 84/32
1st number: 2 20/32, 2nd number: 1 2/18
84/32 - 20/18 is 109/72.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 32 and 18 is 288
Next, find the equivalent fraction of both fractional numbers with denominator 288 - For the 1st fraction, since 32 × 9 = 288,
84/32 = 84 × 9/32 × 9 = 756/288 - Likewise, for the 2nd fraction, since 18 × 16 = 288,
20/18 = 20 × 16/18 × 16 = 320/288 - Subtract the two like fractions:
756/288 - 320/288 = 756 - 320/288 = 436/288 - After reducing the fraction, the answer is 109/72
- In mixed form: 137/72
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