Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 21/72 of 7/30?"
2172 × 730 is 49720.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/72×7/30 21/72×14/30 21/72×7/60 63/72×7/30 21/72×21/30 21/72×7/90 21/72×35/30 21/72×49/30
© everydaycalculation.com