The sum of these fractions is between which two whole numbers?

3 4/6 + 1 3/6

a.4 and 5

b.5 and 6

c.6 and 7

d.7 and 8

This doesn’t make sense to me it’s supposed to be lcm ( least common multiple )

Apatient is to take 60 mg of an antibiotic on day 1, take 45mg on days 2 and 3, take 30mg on days 4 and 5 and take 15 mg on days 6 and 7. how many total mg will the patient take?

Which is a reasonable estimate of the amount of water in a small, inflatable pool used by children?