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Q: What is 13 over 20 minus 7 over 30?

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19/20 minus 11/12 = 1/30

9/10 - 13/30 = 27/30 - 13/30 = 14/30 = 7/15

-0.02

21/30 - 8/30 = 13/30

13/30

30 - 20 = 10

10 minus -20 is 30.

The answer is 30.

7 and one third minus 3 and 9 tenths is six and 13 over 30 3 and 13/30

5/6 - 2/5 = 25/30 - 12/30 = 13/30

3/10 - 11/15= 9/30 - 22/30 = -13/30

13

-10

-30

20

11/15 − 3/10 = 13/30

11/15 minus 3/10 = 13/30

20 + 10 - 31 + 30 - 5 = 24

you minus the two sets of # first then find out what "a" is always the # after the = minus the # before "a" 30 + a = 50 a = 50 - 30 a = 20 30-30=50-30 (50-30=20) 0+a=20 a=20 if a = 20 30+a=50 30+20=50 50=50 therefore a=20

30

The answer two 50 minus 20 is 30.

Yes it can be. in summer low 30's c are common, and over 40 not unknown. Its cold in the winter (minus 5 - minus 20)

3 over 5 is the smallest. Therefore 7 over 10, 13 over 20 and 17 over 30 are all bigger than 3 over 5.

12 hours 30 minutes

Expressed as a proper fraction in its simplest form, 8/13 - 2/7 = 30/91 or thirty ninety-firsts.