(5/7-2/3)+(3/14-5/7)
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Answer:
First solve (5/7-2/3)
LCM of 7,3 is 21
5/7*21-2/3*21
21
5*3-2*7. = 15-14/21 = 1/21
21
Solve ( 3/14 -5/7)
lcm of 14,7 is 14
3/14*14 - 5/7*14
14
3 - 10 / 14 = -7/14 => -2/14
Now :-
( 1/21 ) + (-2/14)
lcm of 21,14 = 84
1/21 * 84 - 2/14 *84
84
4 - 12 / 84
-8/84 ( cancel in 4 table)
Answer = -2/21
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