Add 35/84 and 42/21
1st number: 35/84, 2nd number: 2 0/21
35/84 + 42/21 is 29/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 21 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 84 × 1 = 84,
35/84 = 35 × 1/84 × 1 = 35/84 - Likewise, for the 2nd fraction, since 21 × 4 = 84,
42/21 = 42 × 4/21 × 4 = 168/84 - Add the two like fractions:
35/84 + 168/84 = 35 + 168/84 = 203/84 - 203/84 simplified gives 29/12
- So, 35/84 + 42/21 = 29/12
In mixed form: 25/12
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