Subtract 98/80 from 3/84
1st number: 3/84, 2nd number: 1 18/80
3/84 - 98/80 is -333/280.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 80 is 1680
Next, find the equivalent fraction of both fractional numbers with denominator 1680 - For the 1st fraction, since 84 × 20 = 1680,
3/84 = 3 × 20/84 × 20 = 60/1680 - Likewise, for the 2nd fraction, since 80 × 21 = 1680,
98/80 = 98 × 21/80 × 21 = 2058/1680 - Subtract the two like fractions:
60/1680 - 2058/1680 = 60 - 2058/1680 = -1998/1680 - After reducing the fraction, the answer is -333/280
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