Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 21/40 of 49/80?"
2140 × 4980 is 10293200.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/40×49/80 21/40×98/80 21/80×49/80 63/40×49/80
© everydaycalculation.com