M3A-1
M3A-2 When adding 1 1/3 to 2 1/4, you first add the whole numbers, then you multiply 1/3 by 3/3 and 1/4 by 4/4 before you add them.
M3A2 - When adding 1 1/3 to 2 1/4, you first add the whole numbers, then you multiply 1/3 by 4/4 and 1/4 by 3/3 before you add them.
M3A2 - When adding 1 1/3 to 2 1/4, you first add the whole numbers, then you add 1+1 to find your new numerator and then you add 3+4 to find your new denominator.
M3A2 - When adding 1 1/3 to 2 1/4, you first add 1+1 to find your new numerator and then you multiply 3x4 to find your new denominator. Then you add your numerators and your new denominator stays the same. Then you add your whole numbers.
M3A-3
M3A-4
M3A-5
M3A-6
M3A-7