4/5:3/10+1/9, 4/15+3/18:5/16, 1 1/2-1/6:4/21, 2 1/4:15/16-1/4

Предыдущий
вопрос Следующий
вопрос

To solve each of these expressions, we need to find a common denominator for the fractions.

4/5 + 3/10 + 1/9
Common denominator: 90
(72 + 27 + 10)/90 = 109/90

4/15 + 3/18 + 5/16
Common denominator: 240
(64 + 40 + 75)/240 = 179/240

1 1/2 - 1/6 - 4/21
Convert 1 1/2 to an improper fraction: 3/2
Common denominator: 42
(63 - 7 - 8)/42 = 48/42 = 8/7

2 1/4 - 15/16 - 1/4
Convert 2 1/4 to an improper fraction: 9/4
Common denominator: 16
(144 - 15 - 4)/16 = 125/16

Therefore, the solutions are: