Question

express 3/5 as rational number with numerator (i) -21 (ii) 150
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Answer 1

3/5 = 3×50/5×50 =150/250

Answer 2

Step-by-step explanation:

$\text{given fraction} = \frac{3}{5} \\\\ (i) numerator=-21 \\\\ -21\div3=-7\\ \text{multiply and divide with -7}\\\\=>\frac{3}{5} \times (\frac{-7}{-7}) \\\\ => \frac{-21}{-35} \\\\ (ii)numerator=150 \\\\ {150\div 3=50} \\\text{multiply and divide with 50} \\\\=> \frac{3}{5} \times (\frac{50}{50}) \\\\=>\frac{150}{250}$