show steps to solve 7/10 - 1/2

i need to know the steps to find the least common denominator for 7/10 - 1/2
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1 Answer

let's turn 1/2 into a new fraction with denominator 20. To do so, multiply both, 1 and 2 by 10(because 2 x 10 =20). 1/2=10/20

7/20-1/2= 7/20- 10/20= -3/20
by Level 8 User (35.3k points)

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