What is 3 6/7+(-1 1/7) ?

The solution to 3 6/7+(-1 1/7) is 2 5/7

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular >

simplify 3 6/7+(-1 1/7)

simplify

3 \frac{6}{7} + (- 1 \frac{1}{7})

2 \frac{5}{7}

Decimal Notation

2.71428 \dots

Solution steps

3 \frac{6}{7} + (- 1 \frac{1}{7})

Convert mixed numbers to improper fractions:

3 \frac{6}{7} = \frac{27}{7}

= \frac{27}{7} + (- 1 \frac{1}{7})

Convert mixed numbers to improper fractions:

1 \frac{1}{7} = \frac{8}{7}

= \frac{27}{7} + (- \frac{8}{7})

Apply rule:

a + (- b) = a - b

\frac{27}{7} + (- \frac{8}{7}) = \frac{27}{7} - \frac{8}{7}

= \frac{27}{7} - \frac{8}{7}

\frac{27}{7} - \frac{8}{7} = \frac{19}{7}

= \frac{19}{7}

Convert improper fractions to mixed numbers:

\frac{19}{7} = 2 \frac{5}{7}

= 2 \frac{5}{7}

(- 5 - 8 i) - (7 - 4 i)

2 i + j - 2 k

\frac{1}{1 + 3 i} + \frac{1}{1 + 7 i}

\frac{25}{65}

\frac{5 + i}{6 + i}