a)27/32 × 8/162 × 72/69 = (27 × 8 × 72) / (32 × 162 × 69)= 15552 / 3568320= 1 / 229
b)38/147 × 91/152 ÷ 65/264 = (38/147) × (91/152) × (264/65)= (38 × 91 × 264) / (147 × 152 × 65)= 88008 / 1442880= 77 / 1260
a)
27/32 × 8/162 × 72/69 = (27 × 8 × 72) / (32 × 162 × 69)
= 15552 / 3568320
= 1 / 229
b)
38/147 × 91/152 ÷ 65/264 = (38/147) × (91/152) × (264/65)
= (38 × 91 × 264) / (147 × 152 × 65)
= 88008 / 1442880
= 77 / 1260