Subtract 98/84 from 90/80
1st number: 1 10/80, 2nd number: 1 14/84
90/80 - 98/84 is -1/24.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 84 is 1680
Next, find the equivalent fraction of both fractional numbers with denominator 1680 - For the 1st fraction, since 80 × 21 = 1680,
90/80 = 90 × 21/80 × 21 = 1890/1680 - Likewise, for the 2nd fraction, since 84 × 20 = 1680,
98/84 = 98 × 20/84 × 20 = 1960/1680 - Subtract the two like fractions:
1890/1680 - 1960/1680 = 1890 - 1960/1680 = -70/1680 - After reducing the fraction, the answer is -1/24
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