Solutions by everydaycalculation.com
1st number: 1 9/21, 2nd number: 7/80
This multiplication involving fractions can also be rephrased as "What is 30/21 of 7/80?"
3021 × 780 is 18.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/21×7/80 30/21×14/80 30/42×7/80 90/21×7/80 30/21×21/80 30/63×7/80 30/21×35/80 30/21×49/80
© everydaycalculation.com