Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 15/30 of 1/21?"
1530 × 121 is 142.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 15/30×2/21 15/60×1/21 15/30×1/42 45/30×1/21 15/30×3/21 15/90×1/21 15/30×1/63 75/30×1/21 15/30×5/21 15/30×7/21
© everydaycalculation.com