Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 21/84 of 1/80?"
2184 × 180 is 1320.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/84×1/80 21/84×2/80 63/84×1/80 21/84×3/80 21/84×5/80 21/84×7/80
© everydaycalculation.com