1) 9/15 can be simplified to 3/5 by dividing both the numerator and denominator by 3.
2) 42/90 can be simplified to 7/15 by dividing both the numerator and denominator by 6.
3) 8/56 can be simplified to 1/7 by dividing both the numerator and denominator by 8.
4) (3818)/(919) can be simplified to 684/171 by multiplying and dividing both the numerator and denominator by 9. This can be further simplified to 4/1 by dividing both the numerator and denominator by 171.
1) 9/15 can be simplified to 3/5 by dividing both the numerator and denominator by 3.
2) 42/90 can be simplified to 7/15 by dividing both the numerator and denominator by 6.
3) 8/56 can be simplified to 1/7 by dividing both the numerator and denominator by 8.
4) (3818)/(919) can be simplified to 684/171 by multiplying and dividing both the numerator and denominator by 9. This can be further simplified to 4/1 by dividing both the numerator and denominator by 171.