( - 1/3 + 6/7 ) * 420
First, find a common denominator for the fractions:( - 7/21 + 18/21 ) * 420
Combine the fractions:( 11/21 ) * 420
Multiply the fraction by 420:(11/21) * 420 = 220
The result is 220.
( - 1/3 + 6/7 ) * 420
First, find a common denominator for the fractions:
( - 7/21 + 18/21 ) * 420
Combine the fractions:
( 11/21 ) * 420
Multiply the fraction by 420:
(11/21) * 420 = 220
The result is 220.