Subtract 28/32 from 20/18
1st number: 1 2/18, 2nd number: 28/32
20/18 - 28/32 is 17/72.
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,
20/18 = 20 × 16/18 × 16 = 320/288 - Likewise, for the 2nd fraction, since 32 × 9 = 288,
28/32 = 28 × 9/32 × 9 = 252/288 - Subtract the two like fractions:
320/288 - 252/288 = 320 - 252/288 = 68/288 - After reducing the fraction, the answer is 17/72
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