Question

Addition of unlike fractions
5/3+7/4
8 2/5 + 4 3/9
Subtraction of unlike fractions
5/3-1/4
1 2/5 - 2 3/4​

Answer 1

Answer:

Addition:

$\frac{5}{3} + \frac{7}{4} \\ \\ \frac{20 + 21}{12} \\ \\ \frac{41}{12} \\ \\ 3.4166666667$

$8 \frac{2}{5 } + 4 \frac{3}{9} \\ \\ \frac{42}{5} + \frac{39}{9} \\ \\ \frac{378 + 195}{45} \\ \\ \frac{573}{45} \\ \\ 12.7333333333$

Subtraction:

$\frac{5}{3} - \frac{1}{4} \\ \\ \frac{20 - 3}{12} \\ \\ \frac{17}{12} \\ \\ 1.4166666667$

$1 \frac{2}{5} - 2 \frac{3}{4} \\ \\ \frac{7}{5} - \frac{11}{4} \\ \\ \frac{28 - 55}{20} \\ \\ \frac{27}{20} \\ \\ 1.35$

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