Solutions by everydaycalculation.com

This multiplication involving fractions can also be rephrased as "What is 4/5 of 8/10?"

45 × 810 is 1625.

- Simply multiply the numerators and denominators separately:
- 45 × 810 = 4 × 85 × 10 = 3250
- After reducing the fraction, the answer is 1625

Related: ^{8}/_{5}×^{8}/_{10} ^{4}/_{5}×^{16}/_{10} ^{4}/_{10}×^{8}/_{10} ^{4}/_{5}×^{8}/_{20} ^{12}/_{5}×^{8}/_{10} ^{4}/_{5}×^{24}/_{10} ^{4}/_{15}×^{8}/_{10} ^{4}/_{5}×^{8}/_{30} ^{20}/_{5}×^{8}/_{10} ^{4}/_{5}×^{40}/_{10} ^{4}/_{25}×^{8}/_{10} ^{4}/_{5}×^{8}/_{50} ^{28}/_{5}×^{8}/_{10} ^{4}/_{5}×^{56}/_{10} ^{4}/_{35}×^{8}/_{10} ^{4}/_{5}×^{8}/_{70}

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