Делители 26: 1, 2, 13, 26
делители 58: 1, 2, 7, 16, 29.
НоД(26, 58)=2
<span>4 8/11 + 5 7/11= 52/11+62/11=114/11=10 4/11</span>
<span>7 5/9 - 2 8/9 = 68/9-26/9=42/9=4 6/9= 4 2/3</span>
<span>7-3/8 = 56/8-3/8=53/8= 6 5/8</span>
<span>10- 3 7/15= 150/15-52/15=98/15=6 8/15</span>
20 : 4 = 5 (лет) - Лене
5 * 3 = 15(лет) - Саше