Solutions by everydaycalculation.com

This multiplication involving fractions can also be rephrased as "What is 1/2 of 4/5?"

12 × 45 is 25.

- Simply multiply the numerators and denominators separately:
- 12 × 45 = 1 × 42 × 5 = 410
- After reducing the fraction, the answer is 25

Related: ^{1}/_{2}×^{8}/_{5} ^{1}/_{4}×^{4}/_{5} ^{1}/_{2}×^{4}/_{10} ^{3}/_{2}×^{4}/_{5} ^{1}/_{2}×^{12}/_{5} ^{1}/_{6}×^{4}/_{5} ^{1}/_{2}×^{4}/_{15} ^{5}/_{2}×^{4}/_{5} ^{1}/_{2}×^{20}/_{5} ^{1}/_{10}×^{4}/_{5} ^{1}/_{2}×^{4}/_{25} ^{7}/_{2}×^{4}/_{5} ^{1}/_{2}×^{28}/_{5} ^{1}/_{14}×^{4}/_{5} ^{1}/_{2}×^{4}/_{35}

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