Question
Subtract $\frac{9}{10}-\frac{5}{6}$(a) $\frac{1}{15}$(b) $\frac{7}{60}$(c) 1(d) $\frac{11}{30}$
Step 1
The denominators are 10 and 6. The prime factorization of 10 is $5 \times 2$ and of 6 is $3 \times 2$. So, the LCD is $5 \times 3 \times 2 = 30$. Show more…
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