Question
Add the following rational numbers:
$\frac{-5}{7}\text{ and }\frac{3}{7}$
$\frac{-5}{7}\text{ and }\frac{3}{7}$
✓
Answer
$\frac{-5}{7}+\frac{3}{7}$
$=\frac{-5+3}{7}$
$=\frac{-2}{7}$
$=\frac{-5+3}{7}$
$=\frac{-2}{7}$
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
A bus covers a certain distance in 3 hours 20 minutes at an average speed of 45km per hour. How much time will it take to cover the same distance at a speed of 50km per hour?
Explain the following term:
Parts or elements of a triangle.
Parts or elements of a triangle.
Add the following:
$2 x^2 y,-4 x^2 y, 6 x^2 y,-5 x^2 y$
→$2 x^2 y,-4 x^2 y, 6 x^2 y,-5 x^2 y$
Collect various kinds of graphs from newspapers and discuss them.
i. Histogram
ii. Line graph
iii. Pie chart
What percent of:
4km is 160 metres?
4km is 160 metres?
Find:$\frac{2}{3}\text{ of }\frac{9}{16}$
→Find the area of the square, the length of whose diagonal is:
72cm.
72cm.
Find the mode of the data:
10, 8, 4, 7, 8, 11, 15, 8, 6, 8
10, 8, 4, 7, 8, 11, 15, 8, 6, 8
Find the product:
1.245 × 6.4
1.245 × 6.4
Measure the circumference and diameter of the objects given below and enter the ratio of the circumference to its diameter in the table.
Examine the ratio of the circumference to the diameter. What do we see ?
Examine the ratio of the circumference to the diameter. What do we see ?