Add 21/3 and 27/16
1st number: 7 0/3, 2nd number: 1 11/16
21/3 + 27/16 is 139/16.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 16 is 48
Next, find the equivalent fraction of both fractional numbers with denominator 48 - For the 1st fraction, since 3 × 16 = 48,
21/3 = 21 × 16/3 × 16 = 336/48 - Likewise, for the 2nd fraction, since 16 × 3 = 48,
27/16 = 27 × 3/16 × 3 = 81/48 - Add the two like fractions:
336/48 + 81/48 = 336 + 81/48 = 417/48 - 417/48 simplified gives 139/16
- So, 21/3 + 27/16 = 139/16
In mixed form: 811/16
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