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Answer :

Total length of wire = \(\frac{7}{8} \) metre

Length of one piece of wire = \(\frac{1}{4} \)metre

Length of other piece of wire = Length of the original wire and this one piece of wire

= \(\frac{7}{8} - \frac{1}{4} \)

= \(\frac{7}{8} - \frac{1×2}{4×2} \)

= \(\frac{7}{8} - \frac{2}{8} \)

= \(\frac{5}{8} \)

- Q.1 Solve (a)\(\frac{2}{3} + \frac{1}{7} \) (b)\(\frac{3}{10} + \frac{7}{15} \) (c) \(\frac{4}{9} + \frac{2}{7} \) (d) \(\frac{5}{7} + \frac{1}{3} \) (e) \(\frac{2}{5} + \frac{1}{6} \) (f) \(\frac{4}{5} + \frac{2}{3} \) (g) \(\frac{3}{4} - \frac{1}{3} \) (h) \(\frac{5}{6} - \frac{1}{3} \) (i) \(\frac{2}{3} + \frac{3}{4} + \frac{1}{2} \) (j) \(\frac{1}{2} + \frac{1}{3} + \frac{1}{6} \) (k) \(1\frac{1}{3} + 3\frac{2}{3} \) (l) \(4\frac{2}{3} + 3\frac{1}{4} \) (m) \(\frac{16}{5} - \frac{7}{5} \) (n) \(\frac{4}{3} - \frac{1}{2} \)
- Q.2 Sarita bought \(\frac{2}{5} \) metre of ribbon and Lalita \(\frac{3}{4} \) metre of ribbon. What is the total length of the ribbon they bought?
- Q.3 Naina was given \(1\frac{1}{2} \) piece of cake and Najma was given \(1\frac{1}{3} \) piece of cake. Find the total amount of cake was given to both of them.
- Q. 4. Fill in the boxes: (a) \(\square - \frac{5}{8} = \frac{1}{4} \) (b) \(\square - \frac{1}{5} = \frac{1}{2} \) (c) \(\frac{1}{2} - \square = \frac{1}{6} \)
- Q.5 Complete the addition-subtraction box.
- Q.7 Nandini’s house is \(\frac{9}{10} \) km from her school. She walked some distance and then took a bus for \(\frac{1}{2} \) km to reach the school. How far did she walk?
- Q.8 Asha and Samuel have bookshelves of the same size partly filled with books. Asha’s shelf is \(\frac{5}{6} \) th full and Samuel’s shelf is \(\frac{2}{5} \) th full. Whose bookshelf is more full? By what fraction?
- Q.9 Jaidev takes\(2\frac{1}{5} \) minutes to walk across the school ground. Rahul takes\(\frac{7}{4} \) minutes to do the same. Who takes less time and by what fraction?

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