Subtract 45/25 from 63/45
1st number: 1 18/45, 2nd number: 1 20/25
63/45 - 45/25 is -2/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 25 is 225
Next, find the equivalent fraction of both fractional numbers with denominator 225 - For the 1st fraction, since 45 × 5 = 225,
63/45 = 63 × 5/45 × 5 = 315/225 - Likewise, for the 2nd fraction, since 25 × 9 = 225,
45/25 = 45 × 9/25 × 9 = 405/225 - Subtract the two like fractions:
315/225 - 405/225 = 315 - 405/225 = -90/225 - After reducing the fraction, the answer is -2/5
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