Add 30/16 and 54/21
1st number: 1 14/16, 2nd number: 2 12/21
30/16 + 54/21 is 249/56.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 21 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 16 × 21 = 336,
30/16 = 30 × 21/16 × 21 = 630/336 - Likewise, for the 2nd fraction, since 21 × 16 = 336,
54/21 = 54 × 16/21 × 16 = 864/336 - Add the two like fractions:
630/336 + 864/336 = 630 + 864/336 = 1494/336 - 1494/336 simplified gives 249/56
- So, 30/16 + 54/21 = 249/56
In mixed form: 425/56
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