subtraction
20-15=
5
how much is 1/2 in decimals?
0.5
90x10=
900
10/2
5
1+1=
2
356-243=
113
how much is 0.5 in fractions?
1/2
400x12=
4800
60/3=
20
400/5
80
400-256=
144 (also 12x12)
how much is 1/4 in decimals?
0.25
400x20=
8000
4000/8
500
654,653+600
655253
548-315=
233
how much is 3/5 in decimals
0.6
20x90=
1800
60000/4=
15000
what is 1/5 in decimals
0.2
5,625-469=
5165
how much is 120/240 in decimals?
0.5
4900x700=
3,430,000
222/4=
55.5
428/4=
107