168
The Least Common Multiple (LCM) of (7,9,10) is 630.
119
280
420
To subtract seven tenths from eight fifteens, first convert both fractions to a common denominator. The least common multiple of 10 and 15 is 30. Therefore, seven tenths becomes 21/30 and eight fifteens becomes 16/30. Subtracting these gives you 21/30 - 16/30 = 5/30, which simplifies to 1/6.
The least common multiple of 7 , 8 , 10 , 12 = 840
The Least Common Multiple (LCM) of (7,9,10) is 630.
42
28
It is: 91
14
84
119
1680
It is 70
28
84