This is how you do it :) let me know if you have any questions. Hope this helps :)
Multiply the denominators to be the same Lowest common multiple. when the denominators are both the same you can add the numerators together
e.g. 3/5 + 2/10
= 6/10 + 2/10
= 8/10
Answer:
−36+4
Step-by-step explanation:
Angles 1 and 3 are supplementary