Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 21/90 of 7/9?"
2190 × 79 is 49270.
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Related: 42/90×7/9 21/90×14/9 21/90×7/18 63/90×7/9 21/90×21/9 21/90×7/27 21/90×35/9 21/90×7/45 21/90×49/9 21/90×7/63
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