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liubo4ka [24]
4 years ago
8

Anyone know this mathswatch fraction question ???

Mathematics
2 answers:
Lynna [10]4 years ago
8 0

Answer:

a)= 5 \frac{9}{14}  \\ \\ b) = 7 \frac{1}{2}  \\

Step-by-step explanation:

a)4 \frac{1}{7}  + 1 \frac{1}{2}  \\  \frac{29}{7}  +  \frac{3}{2}  \\  \frac{58 + 21}{14}  \\  =  \frac{79}{14}  \\  = 5 \frac{9}{14}

b)4 \frac{1}{2}  \div  \frac{3}{5}  \\  \frac{9}{2}  \div  \frac{3}{5}  \\  \frac{9}{2}   \times  \frac{5}{3}  \\  =  \frac{45}{6}  \\  =  7 \frac{3}{6}  \\  = 7 \frac{1}{2}

Sophie [7]4 years ago
3 0

Answer:

5 9/14

7 1/2

Step-by-step explanation:

a) 4 1/7 + 1 1/2= 4+ 1/7 +1 +1/2 = 5 + 1/7 +1/2 = 5+ 2/14 + 7/14= 5 + 9/14= 5 9/14

b) 4 1/2 ÷ 3/5 = 9/2 ÷ 3/5 = 9/2 *5/3= 3/2*5= 15/2= 7 1/2

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