Subtract :- $15$ from $-20$

Q. Subtract the following fraction and reduce to the lowest term $\frac{7}{15}$ from $\frac{13}{20}$

Q. Which one of the following fraction should be subtracted from 9/15 such the difference becomes 11/20

Q. Subtract $\frac{2}{15}$ from $\frac{7}{15}$

Q. 15 subtracted from 4 times a number is equal to 20 added to 3 times the number. Find the number.

Q. To subtract 9 from 15, we can _________ 9 into 5 and 4, then first subtract 5 from 15 to get 10, and then subtract 4 from 10 to get the answer.