Add 72/16 and 14/21
1st number: 4 8/16, 2nd number: 14/21
72/16 + 14/21 is 31/6.
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,
72/16 = 72 × 21/16 × 21 = 1512/336 - Likewise, for the 2nd fraction, since 21 × 16 = 336,
14/21 = 14 × 16/21 × 16 = 224/336 - Add the two like fractions:
1512/336 + 224/336 = 1512 + 224/336 = 1736/336 - 1736/336 simplified gives 31/6
- So, 72/16 + 14/21 = 31/6
In mixed form: 51/6
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