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3 years ago

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Subtract:2 1/6 - 3/5

2 answers:

yuradex [85]3 years ago

5 0

Putting the same common denominator would be 30. & the numerator for 1/6 would be 5, while the numerator for 3/5 would be 18. & if you subtract 5-18 you can't really do that so just switch it up (18-5) & you'd get -13 & the common denominator is 30, so in that case -13/30

aleksandr82 [10.1K]3 years ago

3 0

<span><span><span><span><span><span>1</span><span><span><span><span>17</span><span /></span><span><span>30</span><span /></span><span><span /><span /></span></span></span></span><span /></span></span><span /></span><span>=11730</span></span><span>Solution 1 by separating parts</span><span>Rewriting our equation with parts separated</span><span><span><span><span><span><span>=</span><span>2</span><span>+</span><span><span><span><span>1</span><span /></span><span><span>6</span><span /></span><span><span /><span /></span></span></span><span>−</span><span><span><span><span>3</span><span /></span><span><span>5</span><span /></span><span><span /><span /></span></span></span></span><span /></span></span><span /></span><span>=2+16−35</span></span><span>Solving the fraction parts</span><span><span><span><span><span><span><span><span><span>1</span><span /></span><span><span>6</span><span /></span><span><span /><span /></span></span></span><span>−</span><span><span><span><span>3</span><span /></span><span><span>5</span><span /></span><span><span /><span /></span></span></span><span>=</span><span /><span>?</span></span><span /></span></span><span /></span><span>16−35=?</span></span>Find the LCD of 1/6 and 3/5<span> and rewrite to solve with the equivalent fractions.</span>
<span>LCD = 30</span>
<span><span><span><span><span><span><span><span><span>5</span><span /></span><span><span>30</span><span /></span><span><span /><span /></span></span></span><span>−</span><span><span><span><span>18</span><span /></span><span><span>30</span><span /></span><span><span /><span /></span></span></span><span>=</span><span>−</span><span><span><span><span>13</span><span /></span><span><span>30</span><span /></span><span><span /><span /></span></span></span></span><span /></span></span><span /></span><span>530−1830=−1330</span></span><span>Combining the whole and fraction parts</span><span><span><span><span><span><span>2</span><span>−</span><span><span><span><span>13</span><span /></span><span><span>30</span><span /></span><span><span /><span /></span></span></span><span>=</span><span>1</span><span><span><span><span>17</span><span /></span><span><span>30</span><span /></span><span><span /><span /></span></span></span></span><span /></span></span><span /></span><span>2−1330=11730
</span></span>

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