AM28
03.02.2021 •
Mathematics
Which linear inequality is represented by the graph?
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Ответ:
187/210
Step-by-step explanation:
The fractions have unlike denominators. First, find the Least Common Denominator and rewrite the fractions with the common denominator.
LCD(7/10, 4/21) = 210
Multiply both the numerator and denominator of each fraction by the number that makes its denominator equal the LCD. This is basically multiplying each fraction by 1.
(7/10×21/21)+(4/21×10/10)=?
Complete the multiplication and the equation becomes
147/210+40/210=?
The two fractions now have like denominators so you can add the numerators.
Then: 147+40/210=187/210
This fraction cannot be reduced.