Add 18/21 and 8/16
18/21 + 8/16 is 19/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 16 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 21 × 16 = 336,
18/21 = 18 × 16/21 × 16 = 288/336 - Likewise, for the 2nd fraction, since 16 × 21 = 336,
8/16 = 8 × 21/16 × 21 = 168/336 - Add the two like fractions:
288/336 + 168/336 = 288 + 168/336 = 456/336 - 456/336 simplified gives 19/14
- So, 18/21 + 8/16 = 19/14
In mixed form: 15/14
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