Помогите пожалуйста дам 10баллов!!!!!​

1) <span>14/15 + 4 7/15 =5 6/15=5 2/5</span>

<span>2) <span>3 3/12 + 11/12 =4 2/12= 4 1/6</span></span>

<span><span>3) <span>3 3/12 + 1 11/12= 5 2/12=5 1/6</span></span></span>

<span><span><span>4)<span>1 2/15 + 4 7/15 = 5 9/15= 5 3/5</span></span></span></span>

<span><span><span><span>5)<span>1 14/15 + 4 7/15= 6 6/15= 6 2/5</span></span></span></span></span>