Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 70/72 of 21/30?"
7072 × 2130 is 4972.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/72×42/30 70/72×21/60 70/72×63/30 70/72×21/90
© everydaycalculation.com