Add 15/6 and 8/21
1st number: 2 3/6, 2nd number: 8/21
156 + 821 is 12142.
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,
156 = 15 × 76 × 7 = 10542 - Likewise, for the 2nd fraction, since 21 × 2 = 42,
821 = 8 × 221 × 2 = 1642 - Add the two like fractions:
10542 + 1642 = 105 + 1642 = 12142 - So, 15/6 + 8/21 = 121/42
In mixed form: 23742
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