Answer:

14. 5/12

15. 1 1/12

16. 4 5/8

Step-by-step explanation:

Look for the LCM of the Denominators and divide it to the old denominator then multiply it to the number in order to get the new numerator.

14. 1/3 + 1/12= 4/12 + 1/12= 5/12

If the answer is improper fraction, change it to a mixed number, divide the numerator to the denominator, the answer will be the whole number, the remainder will be the numerator and the denominator will stay the same.

15. 3/4 + 1/3= 9/12 + 4/12= 13/12 or 1 1/12

16. 4 + 5/8 = 4 5/8

Just copy the whole number and fraction

hope it helps