Subtract 12/15 from 8/45
8/45 - 12/15 is -28/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 15 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 15 × 3 = 45,
12/15 = 12 × 3/15 × 3 = 36/45 - Subtract the two like fractions:
8/45 - 36/45 = 8 - 36/45 = -28/45
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