Which shows these unit fractions in order from least to greatest?

Select one:
a. 1/12, 1/7, 1/10
b. 1/7, 1/12, 1/10
c. 1/10, 1/12, 1/7
d. 1/12, 1/10, 1/7

2 answers

Has to start with 1/12
Has to end with 1/7
Or you could say

Lcm=10×12×7=840

(1/12)of 840=70

(1/7) of 840=120

(1/10)of 840=84

70,84,120=1/12,1/10,1/7