а) 7/8 и 1/12: НОЗ = 247/8 3/3 = 21/241/12 2/2 = 2/24
б) 4/13 и 3/4: НОЗ = 524/13 4/4 = 16/523/4 13/13 = 39/52
в) 1/20 и 1/30: НОЗ = 601/20 3/3 = 3/601/30 2/2 = 2/60
г) 4/15 и 3/10: НОЗ = 304/15 2/2 = 8/303/10 3/3 = 9/30
д) 1/9 и 1/7: НОЗ = 631/9 7/7 = 7/631/7 9/9 = 9/63
е) 1/9 × 1/4 и 1/6: НОЗ = 361/9 4/4 = 4/361/4 9/9 = 9/361/6 * 6/6 = 6/36
ж) 10/17 и 13/34: НОЗ = 3410/17 2/2 = 20/3413/34 1/1 = 13/34
з) 9/14 и 10/21: НОЗ = 429/14 3/3 = 27/4210/21 2/2 = 20/42
и) 3/28 × 9/14 и 7/8: НОЗ = 1123/28 4/4 = 12/1129/14 8/8 = 72/1127/8 * 14/14 = 98/112
а) 7/8 и 1/12: НОЗ = 24
7/8 3/3 = 21/24
1/12 2/2 = 2/24
б) 4/13 и 3/4: НОЗ = 52
4/13 4/4 = 16/52
3/4 13/13 = 39/52
в) 1/20 и 1/30: НОЗ = 60
1/20 3/3 = 3/60
1/30 2/2 = 2/60
г) 4/15 и 3/10: НОЗ = 30
4/15 2/2 = 8/30
3/10 3/3 = 9/30
д) 1/9 и 1/7: НОЗ = 63
1/9 7/7 = 7/63
1/7 9/9 = 9/63
е) 1/9 × 1/4 и 1/6: НОЗ = 36
1/9 4/4 = 4/36
1/4 9/9 = 9/36
1/6 * 6/6 = 6/36
ж) 10/17 и 13/34: НОЗ = 34
10/17 2/2 = 20/34
13/34 1/1 = 13/34
з) 9/14 и 10/21: НОЗ = 42
9/14 3/3 = 27/42
10/21 2/2 = 20/42
и) 3/28 × 9/14 и 7/8: НОЗ = 112
3/28 4/4 = 12/112
9/14 8/8 = 72/112
7/8 * 14/14 = 98/112