Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 42/60 of 8/21?"
4260 × 821 is 415.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/60×8/21 42/60×16/21 42/60×8/42 42/60×24/21 42/60×8/63 42/60×40/21 42/60×56/21
© everydaycalculation.com