Answer :
1 9/40
first you make the denominated 40
Then you multiply the same number you used to multiply the denominator
Then subtract
first you make the denominated 40
Then you multiply the same number you used to multiply the denominator
Then subtract
2 3/5 - 1 3/8
estimate : 3 - 1 = 2
actual :
2 3/5 - 1 3/8 =
13/5 - 11/8 =
104/40 - 55/40 =
49/40 = 1 9/40
estimate : 3 - 1 = 2
actual :
2 3/5 - 1 3/8 =
13/5 - 11/8 =
104/40 - 55/40 =
49/40 = 1 9/40