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3/16" + 11/16"

Adding two fractions of an inch, exactly — the everyday jobsite arithmetic that a decimal calculator gets wrong. Reduced, carried, and shown in millimetres.

3/16" + 11/16" =

=0-7/8"

Sum

0-7/8"

Decimal inch

0.875"

Millimetres

22.225 mm

3/16" − 11/16"

-0-1/2"

The work

Over a common denominator

Put both over 16: 3/16 = 3/16 and 11/16 = 11/16. Add the tops: 3/16 + 11/16 = 14/16. Reduced, that's 0-7/8" (0.875 inches). TapeMath tracks it as an exact fraction, so it lands dead on the tape mark.

Keep going

3/16" to decimal 11/16" to decimal All fraction sums Add it on the calculator

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