Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 21/63 of 6/30?"
2163 × 630 is 115.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/63×6/30 21/63×12/30 21/63×6/60 21/63×18/30 21/63×6/90 21/63×42/30
© everydaycalculation.com