3 x 56 = 168
lcm(21, 56) = 168. 21 = 3 x 7 56 = 2^3 x 7 lcm = 2^3 x 3 x 7 = 168
LCM(56, 60) = 840 56 = 2^3 x 7 60 = 2^2 x 3 x 5 lcm = 2^3 x 3 x 5 x 7 = 840
3/8 x 56 = 21
33 = (3 x 10) + (3 x 1) 56 = (5 x 10) + (6 x 1)
3 x 56 = 168
56 x 3 = 168
Another method is: (56 ÷ 7) × 3 = 24
3 x 56 = 168
lcm(21, 56) = 168. 21 = 3 x 7 56 = 2^3 x 7 lcm = 2^3 x 3 x 7 = 168
LCM(56, 60) = 840 56 = 2^3 x 7 60 = 2^2 x 3 x 5 lcm = 2^3 x 3 x 5 x 7 = 840
45 = 3 x 3 x 5 56 = 2 x 2 x 2 x 7
3/8 x 56 = 21
2 x 2 x 2 x 7 = 56
33 = (3 x 10) + (3 x 1) 56 = (5 x 10) + (6 x 1)
Reverse the flow from the answer: (((((56 / 7) + 7) x 5) - 3) / 3) = ? 56 / 7 = 8 + 7 = 15 x 5 = 75 - 3 = 72 / 3 = 24 Check the Answer: (((((24 x 3) + 3) / 5) - 7) x 7) = 56 24 x 3 = 72 + 3 = 75 / 5 = 15 - 7 = 8 x 7 = 56 Answer: 24
3/4 x 56 = 42