Q. Complete the equation. Write the sum as a mixed number.34+72=21□+21□=□□□
Find Common Denominator: Find a common denominator for the fractions34 and 72.To add fractions, they must have the same denominator. The least common denominator (LCD) of 3 and 7 is 21.
Convert Fractions to 21: Convert each fraction to have the denominator 21.(34)=(3×74×7)=2128(72)=(7×32×3)=216
Add Fractions: Add the fractions with the common denominator.2128+216=2128+6=2134
Convert to Mixed Number: Convert the improper fraction to a mixed number. 2134=12113 (since 34 divided by 21 is 1 with a remainder of 13)
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