Addition & Subtraction of rational numbers
Last updated at Dec. 16, 2024 by Teachoo
Ex 8.2, 2 Find (i) 7/24 − 17/36 7/24 − 17/36 = (7 × 36 − 17 × 24)/(24 × 36) = (252 − 408)/(24 × 36) = (−(−252 + 408))/(24 × 36) = (−(408 − 252))/(24 × 36) = (−156)/(24 × 36) = (−78)/(12 × 36) = (−39)/(6 × 36) = (−13)/(2 × 36) = (−𝟏𝟑)/( 𝟕𝟐)