Subtract 54/18 from 84/70
1st number: 1 14/70, 2nd number: 3 0/18
84/70 - 54/18 is -9/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 18 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 70 × 9 = 630,
84/70 = 84 × 9/70 × 9 = 756/630 - Likewise, for the 2nd fraction, since 18 × 35 = 630,
54/18 = 54 × 35/18 × 35 = 1890/630 - Subtract the two like fractions:
756/630 - 1890/630 = 756 - 1890/630 = -1134/630 - After reducing the fraction, the answer is -9/5
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