a/b * c/d  =  ac/bd
3/4 * 4/5 =  12/20  =  3/5
12/18 * 1/2 = 12/36  = 1/3

Fraction #1	n	d
Fraction #2	n	d
Results:
Result # Decimal #

To multiply with mixed numbers first add the number to the fraction

2 3/4 = 11/4
1 3/8 = 11/8
4 3/16 =  67/16

a/b *  c/d =  ac/bd

2 3/8 * 1 3/4 = 19/8 * 7/4 = 133/32 = 4 5/32
1 1/16 * 2 =  17/16 * 2/1 = 34/16 = 2 1/8

Mixed #1	#	n d
Mixed #2	#	n d
Results:
Result # Decimal #