Subtract 84/40 from 40/98
1st number: 40/98, 2nd number: 2 4/40
40/98 - 84/40 is -829/490.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 40 is 1960
Next, find the equivalent fraction of both fractional numbers with denominator 1960 - For the 1st fraction, since 98 × 20 = 1960,
40/98 = 40 × 20/98 × 20 = 800/1960 - Likewise, for the 2nd fraction, since 40 × 49 = 1960,
84/40 = 84 × 49/40 × 49 = 4116/1960 - Subtract the two like fractions:
800/1960 - 4116/1960 = 800 - 4116/1960 = -3316/1960 - After reducing the fraction, the answer is -829/490
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