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shepuryov [24]
2 years ago
6

2/5 + 1/4 + 7/10 = what's the answer ​

Mathematics
1 answer:
kotegsom [21]2 years ago
4 0

Convert 2/5, 1/4 and 7/10 to fractions with like denominators.

\bf{\dfrac{2\times4}{5\times4}+\dfrac{1\times5}{4\times5}+\dfrac{7\times2}{10\times2} \ \ \to \ \ \ Multiply }

\bf{\dfrac{8}{20}+\dfrac{5}{20}+\dfrac{14}{20}    }

Since 8/20,5/20 and 14/20 have the same denominator, add their numerators to add them up.

\bf{\dfrac{8+5+14}{20} \ \ \to \ \ \ Add. }

\green{\underbrace{\red{\boxed{\purple{\boxed{\bf{\blue{\frac{27}{20}  }}}}}} \ \ \to \ \ \bf{\red{Answer}}}}

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