Subtract 9/12 from 27/45
2745 - 912 is -320.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 12 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 45 × 4 = 180,
2745 = 27 × 445 × 4 = 108180 - Likewise, for the 2nd fraction, since 12 × 15 = 180,
912 = 9 × 1512 × 15 = 135180 - Subtract the two like fractions:
108180 - 135180 = 108 - 135180 = -27180 - After reducing the fraction, the answer is -320
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