Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 12/21 of 1/20?"
1221 × 120 is 135.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/21×1/20 12/21×2/20 12/42×1/20 12/21×1/40 36/21×1/20 12/21×3/20 12/63×1/20 12/21×1/60 60/21×1/20 12/21×5/20 84/21×1/20 12/21×7/20
© everydaycalculation.com