Help on number 21 please :) it will be appreciated
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26 ft 11 1/4 inches minus 26 ft 8 1/16 inch
26-26 = 0
so you need to subtract the inches
so you have 11 1/4 = 8 1/16
11-8 = 3 inches
1/4 = 1/16 - find common denominator ( 16)
1/4 = 4/16, 4/16-1/16 = 3/16
the jump was 3 3/16 inches longer