(1+2)*(3+4)=21
3*7 = 21
1+2=3 3+4=7 7x3=21 (1+2)x(3+4)
1, 2, 4 1, 3, 9 1, 2, 7, 14 1, 3, 7, 21
1, 2, 4 1, 3, 7, 21
The factors of 4 are 1, 2, 4 The factors of 3 are 1, 3 The factors of 2 are 1, 2
The factors of 21 are 1, 3, 7 and 21. The factors of 18 are 1, 2, 3, 6, and 18.
2-4, 4-4, 4-3
2/14, 4/28, 5/35,...To get the equivalent fractions of 3/21:1. Reduce the given fraction to its lowest term so as to get equivalent fractions of lesser value.3/21 = 1/72. Multiply 1/7 by 2/2, 3/3, 4/4, 5/5,...1/7 * 2/2 = 2/141/7 * 3/3 = 3/21 (this is the given fraction)1/7 * 4/4 = 4/281/7 * 5/5 = 5/35Equivalent fractions of 3/21 = 2/14, 4/28, 5/35,...
2/14, 4/28, 5/35,...To get the equivalent fractions of 3/21:1. Reduce the given fraction to its lowest term so as to get equivalent fractions of lesser value.3/21 = 1/72. Multiply 1/7 by 2/2, 3/3, 4/4, 5/5,...1/7 * 2/2 = 2/141/7 * 3/3 = 3/21 (this is the given fraction)1/7 * 4/4 = 4/281/7 * 5/5 = 5/35Equivalent fractions of 3/21 = 2/14, 4/28, 5/35,...
1, 2, 3, 4, 6, 12 1, 3, 7, 21
1, 2, 4, 8 1, 3, 7, 21
1, 2, 4, 8 1, 3, 7, 21
1 3/4 = 7/4(7/4) / (2/3)(7*3)/(4*2)21/82 5/8