Subtract 7/49 from 5/45
5/45 - 7/49 is -2/63.
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,
5/45 = 5 × 49/45 × 49 = 245/2205 - Likewise, for the 2nd fraction, since 49 × 45 = 2205,
7/49 = 7 × 45/49 × 45 = 315/2205 - Subtract the two like fractions:
245/2205 - 315/2205 = 245 - 315/2205 = -70/2205 - After reducing the fraction, the answer is -2/63
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