Subtract 27/45 from 12/49
12/49 - 27/45 is -87/245.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 45 is 2205
Next, find the equivalent fraction of both fractional numbers with denominator 2205 - For the 1st fraction, since 49 × 45 = 2205,
12/49 = 12 × 45/49 × 45 = 540/2205 - Likewise, for the 2nd fraction, since 45 × 49 = 2205,
27/45 = 27 × 49/45 × 49 = 1323/2205 - Subtract the two like fractions:
540/2205 - 1323/2205 = 540 - 1323/2205 = -783/2205 - After reducing the fraction, the answer is -87/245
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