Add 84/21 and 27/16
1st number: 4 0/21, 2nd number: 1 11/16
84/21 + 27/16 is 91/16.
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,
84/21 = 84 × 16/21 × 16 = 1344/336 - Likewise, for the 2nd fraction, since 16 × 21 = 336,
27/16 = 27 × 21/16 × 21 = 567/336 - Add the two like fractions:
1344/336 + 567/336 = 1344 + 567/336 = 1911/336 - 1911/336 simplified gives 91/16
- So, 84/21 + 27/16 = 91/16
In mixed form: 511/16
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