Question

-9 13/40+(-6 11/35)..

Answer 1

-9 13/40 - 6 11/35=  -((9+6)+(13/40 + 11/35)) =

= -(15 + 179/280)=  -15  179/280

Answer 2

To add the two mixed numbers -9 13/40 and -6 11/35, you can follow these steps:

Step 1: Add the whole numbers: -9 + (-6) = -15

Step 2: Add the fractions: 13/40 + 11/35

To add fractions with different denominators, you need to find a common denominator. In this case, the least common multiple (LCM) of 40 and 35 is 280.

Step 3: Rewrite the fractions with a common denominator of 280: (13/40) * (7/7) = 91/280 (11/35) * (8/8) = 88/280

Step 4: Add the fractions with the common denominator: 91/280 + 88/280 = (91 + 88)/280 = 179/280

Now, you have the sum of the fractions as 179/280.

Step 5: Combine the whole number and the fraction: -15 + 179/280

To combine the whole number and the fraction, you can convert -15 to an equivalent fraction with a denominator of 280:

-15 = (-15 * 280/280) = -4200/280

Now, you can add the fractions:

-4200/280 + 179/280 = (-4200 + 179)/280 = -4021/280

So, the sum of -9 13/40 and -6 11/35 is -4021/280 as an improper fraction, or you can convert it back to a mixed number if needed.