Add 50/21 and 72/16
1st number: 2 8/21, 2nd number: 4 8/16
50/21 + 72/16 is 289/42.
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,
50/21 = 50 × 16/21 × 16 = 800/336 - Likewise, for the 2nd fraction, since 16 × 21 = 336,
72/16 = 72 × 21/16 × 21 = 1512/336 - Add the two like fractions:
800/336 + 1512/336 = 800 + 1512/336 = 2312/336 - 2312/336 simplified gives 289/42
- So, 50/21 + 72/16 = 289/42
In mixed form: 637/42
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