Subtract 84/40 from 15/98
1st number: 15/98, 2nd number: 2 4/40
15/98 - 84/40 is -477/245.
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,
15/98 = 15 × 20/98 × 20 = 300/1960 - Likewise, for the 2nd fraction, since 40 × 49 = 1960,
84/40 = 84 × 49/40 × 49 = 4116/1960 - Subtract the two like fractions:
300/1960 - 4116/1960 = 300 - 4116/1960 = -3816/1960 - After reducing the fraction, the answer is -477/245
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