Question

what is the LCM of 3/8 + 5/8 + 7/10​

Answer 1

Answer:

40, 68/40(when fully solved)

Step-by-step explanation:

3/8 + 5/8 + 7/10

lcm of 8,8 and 10 is 40 (because it is the first number with is divisible by both 8 and 10)

=3/8*5(because 40 comes 5 times in the 8 table) + 5/8*5 + 7/10*4

=15/40 + 25/40 + 28/40 (both denominator and numerators are multiplied)

=68/40