plz explain and answer
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given, a=(1 + 3/5) + (4+3/9)=8/5 + 39/9 =8/5 + 13/3 = (24+65)/15 = 89/15
b=(5+2/5) - (3+3/9)=27/5 - 10/3 =(81-50)/15=31/15
now,
a+b=89/15 + 31/15 =120/15=8
a-b=89/15 - 31/15 =58/15
a+a+b=89/15 +8 = 209/15
1/a + 1/b = 15/89 + 15/31= 465+1335/2759=1800/2759
b=(5+2/5) - (3+3/9)=27/5 - 10/3 =(81-50)/15=31/15
now,
a+b=89/15 + 31/15 =120/15=8
a-b=89/15 - 31/15 =58/15
a+a+b=89/15 +8 = 209/15
1/a + 1/b = 15/89 + 15/31= 465+1335/2759=1800/2759
puppu3409:
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