pls solve these 2 questions quickly
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Hope my answer helps u♥️.# Mark as brainleist plzzz.
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1.
⇒12/7×1/4+1/20-2/5×35/8
⇒12/28+1/20-70/40
⇒[5×12+7×1]/140-70/40
⇒67/140-70/40
⇒[2×67-7×70]/280
⇒-258/280
2.
a. -21/5 +2/4= -94/20
2/4+[-21]/4=-94/20
b. -8/1+8/3 =-16/3
8/3+[-8]/1=16/3
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