Subtract 45/9 from 20/25
1st number: 20/25, 2nd number: 5 0/9
20/25 - 45/9 is -21/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 9 is 225
Next, find the equivalent fraction of both fractional numbers with denominator 225 - For the 1st fraction, since 25 × 9 = 225,
20/25 = 20 × 9/25 × 9 = 180/225 - Likewise, for the 2nd fraction, since 9 × 25 = 225,
45/9 = 45 × 25/9 × 25 = 1125/225 - Subtract the two like fractions:
180/225 - 1125/225 = 180 - 1125/225 = -945/225 - After reducing the fraction, the answer is -21/5
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