Subtract 42/49 from 6/45
6/45 - 42/49 is -76/105.
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,
6/45 = 6 × 49/45 × 49 = 294/2205 - Likewise, for the 2nd fraction, since 49 × 45 = 2205,
42/49 = 42 × 45/49 × 45 = 1890/2205 - Subtract the two like fractions:
294/2205 - 1890/2205 = 294 - 1890/2205 = -1596/2205 - After reducing the fraction, the answer is -76/105
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