Subtract 20/32 from 7/9
7/9 - 20/32 is 11/72.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 32 is 288
Next, find the equivalent fraction of both fractional numbers with denominator 288 - For the 1st fraction, since 9 × 32 = 288,
7/9 = 7 × 32/9 × 32 = 224/288 - Likewise, for the 2nd fraction, since 32 × 9 = 288,
20/32 = 20 × 9/32 × 9 = 180/288 - Subtract the two like fractions:
224/288 - 180/288 = 224 - 180/288 = 44/288 - After reducing the fraction, the answer is 11/72
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