Subtract 45/49 from 9/10
9/10 - 45/49 is -9/490.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 49 is 490
Next, find the equivalent fraction of both fractional numbers with denominator 490 - For the 1st fraction, since 10 × 49 = 490,
9/10 = 9 × 49/10 × 49 = 441/490 - Likewise, for the 2nd fraction, since 49 × 10 = 490,
45/49 = 45 × 10/49 × 10 = 450/490 - Subtract the two like fractions:
441/490 - 450/490 = 441 - 450/490 = -9/490
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