areeba2134 areeba2134

02-02-2021
Mathematics

contestada

71/3 - 21/4 (2 1/5 × 3/4) with working

Respuesta :

pariswood29 pariswood29

02-02-2021

Answer:

15 1/240

Step-by-step explanation:

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Aylamath Aylamath

02-02-2021

71/3 - 21/4 × (21/5 × 3/4)
⇒(71×4-21×3)/12 × (21×3/5×4)
⇒(284-63)/12 × (63/20)
⇒221/12 × 63/20
⇒(221×63)/(12×20)
⇒13923/240
∴71/3 - 21/4 × (21/5 × 3/4) = 13923/240

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