Add 12/6 and 5/21
1st number: 2 0/6, 2nd number: 5/21
126 + 521 is 4721.
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,
521 = 5 × 221 × 2 = 1042 - Add the two like fractions:
8442 + 1042 = 84 + 1042 = 9442 - 94/42 simplified gives 4721
- So, 12/6 + 5/21 = 47/21
In mixed form: 2521
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