Add 12/6 and 28/21
1st number: 2 0/6, 2nd number: 1 7/21
126 + 2821 is 103.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 21 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 6 × 7 = 42,
126 = 12 × 76 × 7 = 8442 - Likewise, for the 2nd fraction, since 21 × 2 = 42,
2821 = 28 × 221 × 2 = 5642 - Add the two like fractions:
8442 + 5642 = 84 + 5642 = 14042 - 140/42 simplified gives 103
- So, 12/6 + 28/21 = 10/3
In mixed form: 313
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