Add 15/63 and 21/6
1st number: 15/63, 2nd number: 3 3/6
15/63 + 21/6 is 157/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 6 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 63 × 2 = 126,
15/63 = 15 × 2/63 × 2 = 30/126 - Likewise, for the 2nd fraction, since 6 × 21 = 126,
21/6 = 21 × 21/6 × 21 = 441/126 - Add the two like fractions:
30/126 + 441/126 = 30 + 441/126 = 471/126 - 471/126 simplified gives 157/42
- So, 15/63 + 21/6 = 157/42
In mixed form: 331/42
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