Add 21/6 and 90/63
1st number: 3 3/6, 2nd number: 1 27/63
21/6 + 90/63 is 69/14.
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,
90/63 = 90 × 2/63 × 2 = 180/126 - Add the two like fractions:
441/126 + 180/126 = 441 + 180/126 = 621/126 - 621/126 simplified gives 69/14
- So, 21/6 + 90/63 = 69/14
In mixed form: 413/14
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