Subtract 70/84 from 1/3
1/3 - 70/84 is -1/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 84 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 3 × 28 = 84,
1/3 = 1 × 28/3 × 28 = 28/84 - Likewise, for the 2nd fraction, since 84 × 1 = 84,
70/84 = 70 × 1/84 × 1 = 70/84 - Subtract the two like fractions:
28/84 - 70/84 = 28 - 70/84 = -42/84 - After reducing the fraction, the answer is -1/2
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