Subtract 42/9 from 18/45
1st number: 18/45, 2nd number: 4 6/9
18/45 - 42/9 is -64/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 9 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 45 × 1 = 45,
18/45 = 18 × 1/45 × 1 = 18/45 - Likewise, for the 2nd fraction, since 9 × 5 = 45,
42/9 = 42 × 5/9 × 5 = 210/45 - Subtract the two like fractions:
18/45 - 210/45 = 18 - 210/45 = -192/45 - After reducing the fraction, the answer is -64/15
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