Subtract 9/45 from 4/49, Solve 4/49

Subtract 9/45 from 4/49

4/49 - 9/45 is -29/245.

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,
4/49 = 4 × 45/49 × 45 = 180/2205
Likewise, for the 2nd fraction, since 45 × 49 = 2205,
9/45 = 9 × 49/45 × 49 = 441/2205
Subtract the two like fractions:
180/2205 - 441/2205 = 180 - 441/2205 = -261/2205
After reducing the fraction, the answer is -29/245

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