Subtracting integers is the second operations on integers, among the four fundamental operations on integers.

**Change the sign of the integer to be subtracted and then add.**

**(i)** Subtract: +3 from +9

(+9) – (+3)

Here the +3 is subtracted from +9

= +9 – 3, [(+ 3) changes to (-3)]

Now add +9 and -3 using the addition of integers rule.

= +6

**(ii)** Subtract:
-7 from +12

(+12) - (-7)

Here the -7 is subtracted from +12

= +12 + 7, [(-7) changes to (+7)]

Now add +12 and +7 using the addition of integers rule.

= +19

**(iii)** Subtract:
+8 from -18

(-18) – (+8)

Here the +8 is subtracted from -18

= -18 - 8, [(+ 8) changes to (-8)]

Now add -18 and -8 using the addition of integers rule.

= -26

**(iv)** Subtract:
-4 from -11

(-11) – (-4)

Here the -4 is subtracted from -11

= -11 + 4, [(-4) changes to (+4)]

Now add -11 and +4 using the addition of integers rule.

= -7

**(v)** Subtract:
+44 from +99

(+99) – (+44)

Here the +44 is subtracted from +99

= +99 – 44, [(+ 44) changes to (-44)]

Now add +99 and -44 using the addition of integers rule.

= +55

**(vi)** Subtract:
-63 from +87

(+87) - (-63)

Here the -63 is subtracted from +87

= +87 + 63, [(-63) changes to (+63)]

Now add +87 and +63 using the addition of integers rule.

= +150

**(vii)** Subtract:
+41 from -76

(-76) – (+41)

Here the +41 is subtracted from -76

= -76 - 41, [(+ 41) changes to (-41)]

Now add -76 and -41 using the addition of integers rule.

= -117

**(viii)** Subtract:
-16 from -46

(-46) – (-16)

Here the -16 is subtracted from -46

= -46 + 16, [(-16) changes to (+16)]

Now add -46 and +16 using the addition of integers rule.

= -30

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