Question

express 2.45, 15.368 in form of p/q.

please answer with steps

Answer 1

2.45=245/100
15.368=15368/1000

Note: Hide the decimal point write the number as numerator according to no. of decimal digits
write zeros after 1 in the denominator

Answer 2

Write 2.45 as

2.45 /1

Multiply both numerator and denominator by 10 for every number after the decimal point

2.45 × 100 /1 × 100 = 245 /100

Reducing the fraction gives

49 /20.......

2. Write 15.368 as 15.368 /1

Multiply both numerator and denominator by 10 for every number after the decimal point

15.368 × 1000 /1 × 1000 = 15368 /1000

Reducing the fraction gives

1921 /125