Question

The equation is 4 1/5-7/10. How do u rename 4 1/5

Answer 1

4 1/5 = 21/5
so, the equation would be:
21/5 - 7/10
Steps
you have to make the denominator the same
so... the least common denominator (LCD): 10
21 * 2/10 - 7/10
= 42/10 - 7/10
= 35/10
Then simplify,
= 7/2