Add 42/16 and 2/21
1st number: 2 10/16, 2nd number: 2/21
42/16 + 2/21 is 457/168.
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,
42/16 = 42 × 21/16 × 21 = 882/336 - Likewise, for the 2nd fraction, since 21 × 16 = 336,
2/21 = 2 × 16/21 × 16 = 32/336 - Add the two like fractions:
882/336 + 32/336 = 882 + 32/336 = 914/336 - 914/336 simplified gives 457/168
- So, 42/16 + 2/21 = 457/168
In mixed form: 2121/168
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