Question

Express mixed number in simplest form (a) 4 6/5 (b) 3 7/2 (c) 1 20/7​

Answer 1

$\sf{(a) \: 4 \dfrac{6}{5}}$

Multiply 4 by 5 by and add 6

$\sf{ = \dfrac{26}{5} }$

$\:$

$\sf{(b) \:3 \dfrac{7}{2}}$

Multiply 3 by 2 and add 7 or

can be written as 2×3+7

$\sf{ = \dfrac{13}{2} }$

$\:$

$\sf{(c) \:1 \dfrac{20}{7} }$

Multiply 1 × 7 and add 7 + 20

$\sf{ = \dfrac{27}{7} }.$