multiply the two numerators. after you do that you multiply the two denominators. then, simplify the new fractions. The fractions can also be simplified before multiplying by factoring out common factors in the numerator and denominator.
Step-by-step explanation:
so it would be 1 x 6 which is 6 and 3 x 7 which is 21
so u get 6/21
i might of done/ said it wrong but i hope it helps