Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 21/42 of 3/8?"
2142 × 38 is 316.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 21/42×6/8 21/84×3/8 21/42×3/16 63/42×3/8 21/42×9/8 21/42×3/24 21/42×15/8 21/42×3/40 21/42×21/8 21/42×3/56
© everydaycalculation.com