Sadiq spends 1/5 of his earnings on his rent and saves 2/7 what fraction of his earnings is left?

In the start Saqid has 5/5 (all) of his money. Then he spends 1/5 on rent (5/5 - 1/5). Now, he has 4/5 of his money left. Then he puts 2/7 of his money into savings (4/5 - 2/7). After that he has 18/35 of his money left on hand.

Rick spent $3000 of his salary on furniture and 1/5 of his remaining salary on ... After saving 4/5 of his salary every month, Zacky has $150 left ... Robert spent 3 / 8 of his money on food and 3/10 on his house rent what fraction of income is left with ... Aubrey spent 2/7 of her money and gave 1/4 of the remaining money to her ...