103/4 - 71/4 = 31/2
it is 1000 taking away 200 4 times
One and three quarters
Add up the three angles and subtract that from 360.
Six and two fifths.
three eighths
Zero, one fourth, three fifths and seven tenths.
Subtract the (sum of the other three angles) from 360.
9/12 - 8/12 = 1/12
-1/2
It is seven and three eighths
To subtract one-fourth from three-sevenths, you need a common denominator. The least common denominator between 7 and 4 is 28. Converting the fractions, three-sevenths becomes 12/28 and one-fourth becomes 7/28. Subtracting these gives 12/28 - 7/28 = 5/28. Thus, three-sevenths minus one-fourth equals 5/28.
three sixteenths