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dimulka [17.4K]
3 years ago
10

Help me with mathhs .

Mathematics
2 answers:
jeka57 [31]3 years ago
3 0

Step-by-step explanation:

a-b

a=1/4

b= -2,15 -215/100 semplification -43/20

1/4-(-43/20)

1/4+43/20 minimum comune multiple

5+43/20=

48/20=12/5

Anna71 [15]3 years ago
3 0

Answer:

3.4

\frac{17}{5}

3\frac{2}{5}

Step-by-step explanation:

a-b=1\frac{1}{4}-(-2.15)

=\frac{5}{4} +2.15

=1.25+2.15

=3.4

In fraction

3.4=\frac{34}{10} =\frac{17}{5}

mixed number

\frac{17}{5} =3\frac{2}{5}

I hope this help you

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