Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 3/90 of 6/45?"
390 × 645 is 1225.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/90×6/45 3/90×12/45 3/90×6/90 9/90×6/45 3/90×18/45 15/90×6/45 3/90×30/45 21/90×6/45 3/90×42/45
© everydaycalculation.com