55/1018 × 509/7450
= (55 × 509) / (1 018 × 7 450)
= (5 × 11 × 509) / (2 × 509 × 1 490 × 5)
= 11/(2 × 1 490)
= 11/2980
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Verified answer
55/1018 × 509/7450
= (55 × 509) / (1 018 × 7 450)
= (5 × 11 × 509) / (2 × 509 × 1 490 × 5)
= 11/(2 × 1 490)
= 11/2980