Subtract 20/9 from 21/32
1st number: 21/32, 2nd number: 2 2/9
21/32 - 20/9 is -451/288.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 32 and 9 is 288
Next, find the equivalent fraction of both fractional numbers with denominator 288 - For the 1st fraction, since 32 × 9 = 288,
21/32 = 21 × 9/32 × 9 = 189/288 - Likewise, for the 2nd fraction, since 9 × 32 = 288,
20/9 = 20 × 32/9 × 32 = 640/288 - Subtract the two like fractions:
189/288 - 640/288 = 189 - 640/288 = -451/288
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