Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 1/21 of 3/10?"
121 × 310 is 170.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/21×3/10 1/21×6/10 1/42×3/10 1/21×3/20 3/21×3/10 1/21×9/10 1/63×3/10 1/21×3/30 5/21×3/10 1/21×15/10 1/21×3/50 7/21×3/10 1/21×21/10 1/21×3/70
© everydaycalculation.com