Subtract 12/5 from 8/45
1st number: 8/45, 2nd number: 2 2/5
8/45 - 12/5 is -20/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 5 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 45 × 1 = 45,
8/45 = 8 × 1/45 × 1 = 8/45 - Likewise, for the 2nd fraction, since 5 × 9 = 45,
12/5 = 12 × 9/5 × 9 = 108/45 - Subtract the two like fractions:
8/45 - 108/45 = 8 - 108/45 = -100/45 - After reducing the fraction, the answer is -20/9
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