Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 21/63 of 1/15?"
2163 × 115 is 145.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/63×1/15 21/63×2/15 21/63×1/30 21/63×3/15 21/63×1/45 21/63×5/15 21/63×1/75 21/63×7/15
© everydaycalculation.com