Subtract 18/16 from 12/45
1st number: 12/45, 2nd number: 1 2/16
12/45 - 18/16 is -103/120.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 16 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 45 × 16 = 720,
12/45 = 12 × 16/45 × 16 = 192/720 - Likewise, for the 2nd fraction, since 16 × 45 = 720,
18/16 = 18 × 45/16 × 45 = 810/720 - Subtract the two like fractions:
192/720 - 810/720 = 192 - 810/720 = -618/720 - After reducing the fraction, the answer is -103/120
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