6 1/8+4 2/5

Show how you got the answer

6 1/8 = 49/8

8x6=48+1=49

4 2/5 = 22/5

5x4=20+2=22

49/8+22/5

lowest common denominator=40

49x5=245/40

22x8=176/40

245+176 = 421/40

421/40 = 10.5 rounded down is 10

40x10 = 400

421-400=21

10 21/40

whole number factors of 21 - 1,3,7,21

whole number factors of 40 - 1,2,4,5,8,10,20,40

HCF = 1

1 (21) / 1 (40)

= 10 21/40

OR

6+4=10

1/8+2/5

5/40+16/40

=21/40

10 21/40

421/40