1yd 2ft 7in plus 2yd 1 ft 8in

Answer 1

One approach would be to convert everything to inches first and then add the two values.

Answer 2

1,2,7 + 2,1,8 = 3,3,15 = 3,4,3 = 4,1,3
add, carry the 12, carry the 3

Answer 3

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