Question

ramu spends 1/4 hours studying chemistry and 3/4 hours studying biology.How many hours does she is study in all ?​

Answer 1

Answer:

She spends 1 hour to study

Step-by-step explanation:

Study time = Time taken to study chemistry + Time taken to study biology

$= \frac{1}{4} + \frac{3}{4} \\ = \frac{1 + 3}{4} = \frac{4}{4} = 1hour$