Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 3/21 of 7/45?"
321 × 745 is 145.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/21×7/45 3/21×14/45 3/42×7/45 3/21×7/90 9/21×7/45 3/21×21/45 3/63×7/45 15/21×7/45 3/21×35/45 3/21×49/45
© everydaycalculation.com