Add 18/6 and 30/21
1st number: 3 0/6, 2nd number: 1 9/21
186 + 3021 is 317.
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,
186 = 18 × 76 × 7 = 12642 - Likewise, for the 2nd fraction, since 21 × 2 = 42,
3021 = 30 × 221 × 2 = 6042 - Add the two like fractions:
12642 + 6042 = 126 + 6042 = 18642 - 186/42 simplified gives 317
- So, 18/6 + 30/21 = 31/7
In mixed form: 437
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