To solve and simplify the expression 8/20 - 7/10, we need to find a common denominator for the fractions. In this case, the common denominator is 20 because it is a multiple of 10 and it is the denominator with the larger value.
To convert 7/10 into an equivalent fraction with a denominator of 20, we multiply both the numerator and the denominator by 2: (7/10)(2/2) = 14/20.
Now we can subtract the fractions:
8/20 - 14/20 = (8 - 14)/20 = -6/20.
Therefore, 8/20 - 7/10 simplifies to -6/20.
solve and simplify 8/20 - 7/10
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