Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 42/81 of 12/30?"
4281 × 1230 is 28135.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/81×12/30 42/81×24/30 42/81×12/60 42/81×36/30 42/81×12/90 42/81×60/30 42/81×84/30
© everydaycalculation.com