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tia_tia [17]
3 years ago
14

One and three fourths plus seven eighths

Mathematics
2 answers:
AysviL [449]3 years ago
7 0

Answer:

Twenty-one eighths or 2.625

Step-by-step explanation:

Conversion a mixed number 1 3/ 4

to a improper fraction: 1 3/4 = 1 3/ 4  = 1 · 4 + 3/ 4  = 4 + 3/ 4  = 7/ 4

To find new numerator:

a) Multiply the whole number 1 by the denominator 4. Whole number 1 equally 1 * 4/ 4  = 4/ 4

b) Add the answer from previous step 4 to the numerator 3. New numerator is 4 + 3 = 7

c) Write a previous answer (new numerator 7) over the denominator 4.

One and three quarters is seven quarters

Add: 7/ 4  + 7/ 8  = 7 · 2/ 4 · 2  + 7/ 8  = 14/ 8  + 7/ 8  = 14 + 7/ 8  = 21/ 8  

ad-work [718]3 years ago
4 0

twenty-one over eight ( \frac{21}{8}) or two and five eights

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