Spike's Calculators

Calculating with Fractions & Decimals

Multiplying Fractions

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 #

Multiplying Fractions Mixed

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 #
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