What is 1 1/2-(-2 1/5) ?

The solution to 1 1/2-(-2 1/5) is 3 7/10

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simplify 1 1/2-(-2 1/5)

simplify

1 \frac{1}{2} - (- 2 \frac{1}{5})

3 \frac{7}{10}

Decimal Notation

3.7

Solution steps

1 \frac{1}{2} - (- 2 \frac{1}{5})

Convert mixed numbers to improper fractions:

1 \frac{1}{2} = \frac{3}{2}

= \frac{3}{2} - (- 2 \frac{1}{5})

Convert mixed numbers to improper fractions:

2 \frac{1}{5} = \frac{11}{5}

= \frac{3}{2} - (- \frac{11}{5})

Apply rule:

a - (- b) = a + b

\frac{3}{2} - (- \frac{11}{5}) = \frac{3}{2} + \frac{11}{5}

= \frac{3}{2} + \frac{11}{5}

\frac{3}{2} + \frac{11}{5} = \frac{37}{10}

= \frac{37}{10}

Convert improper fractions to mixed numbers:

\frac{37}{10} = 3 \frac{7}{10}

= 3 \frac{7}{10}

\frac{8 !}{( 8 - 8 ) !}

+ 8 x^{2} - 30 x + 7

- 74

\frac{4 - - 48}{2}