Add 30/6 and 64/21
1st number: 5 0/6, 2nd number: 3 1/21
30/6 + 64/21 is 169/21.
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,
30/6 = 30 × 7/6 × 7 = 210/42 - Likewise, for the 2nd fraction, since 21 × 2 = 42,
64/21 = 64 × 2/21 × 2 = 128/42 - Add the two like fractions:
210/42 + 128/42 = 210 + 128/42 = 338/42 - 338/42 simplified gives 169/21
- So, 30/6 + 64/21 = 169/21
In mixed form: 81/21
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