Add 4/16 and 63/21
1st number: 4/16, 2nd number: 3 0/21
4/16 + 63/21 is 13/4.
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,
4/16 = 4 × 21/16 × 21 = 84/336 - Likewise, for the 2nd fraction, since 21 × 16 = 336,
63/21 = 63 × 16/21 × 16 = 1008/336 - Add the two like fractions:
84/336 + 1008/336 = 84 + 1008/336 = 1092/336 - 1092/336 simplified gives 13/4
- So, 4/16 + 63/21 = 13/4
In mixed form: 31/4
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