Question

FIND THE SUM BY SUITABLE REARRANGEMENT : 4/5 + -7/3 + -7/15 + 5/6 PLZZ GIVE STEP-BY-STEP EXPLANATION......

Answer 1

Step-by-step explanation:

4/5 + -7/3 + -7/15 + 5/6

therefore

LCM =30

SO 4×6 + (-7×10) + (-7×2) + 5×5 divided by 30

= 24+(-70)+(-14)+25

30

= -35

30

= -35÷5

30÷5

= -7

6

i think this is the answer but if not then so sorry for it

Answer 2

Answer:

Finding product by suitable rearrangement

a) 2 × 1768 × 50

= (2×50)× 1768

= 100× 1768

= 1768

= 176800

b) 4 × 166 × 25

=( 4× 125) × 166

= 100×166

= 16600

c) 8 × 291 × 125

= (8 × 125)× 291

= 1000×291

= 291000

d) 625 × 279 × 16

= (625 × 16)×279

= 10000× 279

= 2790000

e) 285 × 5 × 60

= 285 × (5 × 60 )

= 285× 30

= 85500

f) 125 × 40 × 8 × 25

= (125×8) × (40×25)

= 1000 × 1000

= 1000000

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Hope this will help you....