Answer:
b + 5 2/7 = 7 1/8. b = 37/
7
= 5 2/
7
≅ 5.2857143
Explanation:
Conversion a mixed number 5 2/
7
to a improper fraction: 5 2/7 = 5 2/
7
= 5 · 7 + 2/
7
= 35 + 2/
7
= 37/
7
To find a new numerator:
a) Multiply the whole number 5 by the denominator 7. Whole number 5 equally 5 * 7/
7
= 35/
7
b) Add the answer from previous step 35 to the numerator 2. New numerator is 35 + 2 = 37
c) Write a previous answer (new numerator 37) over the denominator 7.
Five and two sevenths is thirty-seven sevenths