Question

Pls help me please ​

Answer 1

$- \frac{19}{4} + \frac{31}{12} \\ \frac{ - 57 + 31}{12} \\ \frac{ - 26}{12} \\ \frac{ - 13}{6} or \: 2 \frac{6}{1}$

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Answer 2

➤ Answer :-

${\tt \longrightarrow -4 \dfrac{3}{4} + 2 \dfrac{7}{12}}$

Convert the given mixed fractions to improper fractions so that the calculation becomes easier.............

${\tt \longrightarrow \dfrac{( - 19)}{4} + \dfrac{31}{12}}$

Convert them into like fractions by taking the LCM of the denominators i.e, 4 and 12.

LCM of 4 and 12 is 12.

${\tt \longrightarrow \dfrac{( - 19) \times 3}{4 \times 3} + \dfrac{31}{12}}$

${\tt \longrightarrow \dfrac{( - 57)}{12} + \dfrac{31}{12} = \dfrac{( - 57) + 31}{12}}$

${\tt \longrightarrow \dfrac{( - 26)}{12} = \boxed{\tt - 2 \dfrac{2}{12}}}$

$\Huge\therefore$The answer is ${\tt - 2 \dfrac{2}{12}}$

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More to know.................

• While adding or subtracting the fractions, if the given fractions are mixed fractions we should convert them into improper fractions by multiplying the denominator and whole number and then by adding the numerator.
• While adding or subtracting the fractions, if the given fractions are unlike fractions we should convert them into like fractions by taking the LCM of the denominators.
• While adding or subtracting the fractions, if the given fractions are like fractions we can solve them easily.