Add 21/6 and 28/63
1st number: 3 3/6, 2nd number: 28/63
21/6 + 28/63 is 71/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 63 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 6 × 21 = 126,
21/6 = 21 × 21/6 × 21 = 441/126 - Likewise, for the 2nd fraction, since 63 × 2 = 126,
28/63 = 28 × 2/63 × 2 = 56/126 - Add the two like fractions:
441/126 + 56/126 = 441 + 56/126 = 497/126 - 497/126 simplified gives 71/18
- So, 21/6 + 28/63 = 71/18
In mixed form: 317/18
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