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lbvjy [14]
2 years ago
14

What is 1/4 - [-3/8] =

Mathematics
2 answers:
Norma-Jean [14]2 years ago
7 0

1/4 - [-3/8]

\frac{1}{4}- (-\frac{3}{8})

Negative times negative become positive

\frac{1}{4} + \frac{3}{8}

Now to add fractions we make the denominator same

4  and 8 are in the denominator

Least common denominator of 4  and 8 is 8

To make denominators same , we multiply the numerator and denominator of first fraction by 2.

\frac{1*2}{4*2} + \frac{3}{8}

\frac{2}{8} + \frac{3}{8}

The denominators are same so we combine the numerators

\frac{2+3}{8}

\frac{5}{8}


WINSTONCH [101]2 years ago
6 0

\frac{1}{4}  -  \frac{ - 3}{8}  =  \frac{5}{8}
5/8 cross multiply on the top then multiply the denominator you get 20/32 reduce that it's 5/8
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