Question

find the sum -3/10+7/15​

Answer 1

Answer:

-3/10+7/15

L.C.M=30

-3×3/10×3+7×2/15×2

-9/30+14/30

-9+14/30

5/30 is your answer

Answer 2

Answer:

$\frac{4}{105}$

Step-by-step explanation:

$= - \frac{3}{7} + \frac{7}{15} \\ = \frac{7 \times 7 - 3 \times 15}{15 \times 7} \\ = \frac{49 - 45}{105} \\ = \frac{4}{105}$