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ahrayia [7]
3 years ago
8

What is 4 3/4 + 7/8 showing all work

Mathematics
1 answer:
Mekhanik [1.2K]3 years ago
7 0
4 \frac{3}{4} + \frac{7}{8}

Convert  mixed numbers  to improper fractions

=  \frac{19}{4} + \frac{7}{8}

Find de LCD  for 4 and 8 :

Factor each denominator  into its primes:

4 = 2^2


8 = 2^3

Find the  least common denominator 2^3 = 8

Adjust  fractions  based on  the LCD :

\frac{19*2}{8} +  \frac{7}{8}

Since the  denominators are equal , combine the fractions:

\frac{2*19+7}{8}

\frac{38+7}{8}

=  \frac{45}{8}

Therefore:

Convert  improper fractions to mixed numbers

= 5 \frac{5}{8}

hope this helps!
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