Answer:
5/7
Step-by-step explanation:
1/7 and 2/10 can have a common denominator of 70...
keep it, swich it, flip it ==> you keep the 10/70 swich the division sign to a multiplication sign and then flip the fraction over...
cross multiplying is a way of simplifying by dividing the numerator of one fraction and the denominator of the other to get the lowest possible answer.
my work:
