The factors of: 27: 1, 3, 9, 27 35: 1, 5, 7, 35 30: 1, 2, 3, 5, 6, 10, 15, 30 Common factors: cf(27, 35): 1 cf(27, 30): 1, 3 cf(35, 30): 1, 5 cf(27, 35, 30): 1 27 = 3^3 35 = 5 x 7 30 = 2 x 3 x 5 The common factors are the factors of their highest common factor: hcf(27, 35) = 1 → cf(27, 35): 1 hcf(27, 30) = 3 → cf(26, 30): 1, 3 hcf(35, 30) = 5 → cf(35, 30): 1, 5 hcf(27, 35, 30) = 1 → cf(27, 35, 30): 1
Factors of 27 are 1, 3, 9, and 27. Factors of 35 are 1, 5, 7, and 35.
A seventh of five is 0.71 to two decimal places
Factors of 15: 1, 3, 5, 15 Factors of 27: 1, 3, 9, 27 Factors of 35: 1, 5, 7, 35 GCF (15, 27, 35) = 1
5
2/7 = 10/35 1/5 = 7/35 10/35 + 7/35 = 17/35
35 can be divided by: 1, 5, 7, 35.
6/7 divided by 5 = 6/7 divided by 5/1 =6/7 times 1/5 =6/35
(1/5) / (52/5) = (1/5) / (27/5) = 1/5 * 5/27 = 1/27
-40
35
0.2