Add 21/72 and 14/16
21/72 + 14/16 is 7/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 16 is 144
Next, find the equivalent fraction of both fractional numbers with denominator 144 - For the 1st fraction, since 72 × 2 = 144,
21/72 = 21 × 2/72 × 2 = 42/144 - Likewise, for the 2nd fraction, since 16 × 9 = 144,
14/16 = 14 × 9/16 × 9 = 126/144 - Add the two like fractions:
42/144 + 126/144 = 42 + 126/144 = 168/144 - 168/144 simplified gives 7/6
- So, 21/72 + 14/16 = 7/6
In mixed form: 11/6
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