Subtract 30/49 from 9/45
9/45 - 30/49 is -101/245.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 49 is 2205
Next, find the equivalent fraction of both fractional numbers with denominator 2205 - For the 1st fraction, since 45 × 49 = 2205,
9/45 = 9 × 49/45 × 49 = 441/2205 - Likewise, for the 2nd fraction, since 49 × 45 = 2205,
30/49 = 30 × 45/49 × 45 = 1350/2205 - Subtract the two like fractions:
441/2205 - 1350/2205 = 441 - 1350/2205 = -909/2205 - After reducing the fraction, the answer is -101/245
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