Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 12/42 of 3/21?"
1242 × 321 is 249.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/42×3/21 12/42×6/21 12/84×3/21 12/42×3/42 36/42×3/21 12/42×9/21 12/42×3/63 60/42×3/21 12/42×15/21 84/42×3/21
© everydaycalculation.com