Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 21/60 of 1/42?"
2160 × 142 is 1120.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/60×1/42 21/60×2/42 21/60×1/84 63/60×1/42 21/60×3/42 21/60×5/42 21/60×7/42
© everydaycalculation.com