2/5 = 4/10
the denominator was multiplied by 2, so the numerator has to be multiplied by 2
for 2/5 = ---/15, what was the denominator multiplied by?? ....
2/5 = ___ /10 = _____ /15
3 answers
2/5=4/10=6/15
2/5=x2 4/10=x3 6/15