Subtract 45/49 from 7/54
7/54 - 45/49 is -2087/2646.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 49 is 2646
Next, find the equivalent fraction of both fractional numbers with denominator 2646 - For the 1st fraction, since 54 × 49 = 2646,
7/54 = 7 × 49/54 × 49 = 343/2646 - Likewise, for the 2nd fraction, since 49 × 54 = 2646,
45/49 = 45 × 54/49 × 54 = 2430/2646 - Subtract the two like fractions:
343/2646 - 2430/2646 = 343 - 2430/2646 = -2087/2646
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