Add 20/16 and 35/21
1st number: 1 4/16, 2nd number: 1 14/21
20/16 + 35/21 is 35/12.
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,
20/16 = 20 × 21/16 × 21 = 420/336 - Likewise, for the 2nd fraction, since 21 × 16 = 336,
35/21 = 35 × 16/21 × 16 = 560/336 - Add the two like fractions:
420/336 + 560/336 = 420 + 560/336 = 980/336 - 980/336 simplified gives 35/12
- So, 20/16 + 35/21 = 35/12
In mixed form: 211/12
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