Advertisements
Advertisements
प्रश्न
Evaluate: `7/-26 + 16/39`
बेरीज
Advertisements
उत्तर
`7/-26 + 16/39`
| 2 | 26, 39 |
| 3 | 13, 39 |
| 13 | 13, 13 |
| 1, 1 |
L.C.M. of 26 and 39 = 2 × 3 × 13 = 78
`=> (-7 xx 3)/(26 xx 3) + (16 xx 2)/(39 xx 2)`
(∵ L.C.M. of -26 and 39 = 78)
`= (-21 + 32)/78 = 11/78`
shaalaa.com
Concept for Problem Solving Using Operations on Rational Numbers
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
APPEARS IN
संबंधित प्रश्न
Find three rational numbers equivalent to `3/5`
Compare: `(5)/-9 and (-5)/-9`
Arrange the given rational numbers in ascending order:
`4/-9, (-5)/12 "and" 2/-3 `
Evaluate: `- 5 + 5/-8 + (-5)/(-12)`
Evaluate: `5/4 xx 3/7`
Evaluate: `2 14/25 xx ((-5)/16)`
Evaluate: `(5/-27) xx ((-9)/20)`
Multiply: `2 1/14 "and" -7`
By what number should `(-3)/8` be multiplied so that the product is `(-9)/16`?
What rational number should be subtracted from `- 5/12` to get `5/24`.
