What is 10 2/7 written as an improper fraction?
A72/7
B70/7
C12/7
D72/10
Answer & Solution
Correct answer: A. 72/7
1. Multiply the whole number by the denominator: 10 x 7 = 70.
2. Add the numerator to that product: 70 + 2 = 72.
3. Write the sum over the original denominator: 72/7.
4. So 10 2/7 = 72/7.
_Source: OpenStax Prealgebra (CC BY 4.0), Ch 4 "Fractions", section 4.1 Visualize Fractions_
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