Add 20/6 and 49/21
1st number: 3 2/6, 2nd number: 2 7/21
20/6 + 49/21 is 17/3.
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,
20/6 = 20 × 7/6 × 7 = 140/42 - Likewise, for the 2nd fraction, since 21 × 2 = 42,
49/21 = 49 × 2/21 × 2 = 98/42 - Add the two like fractions:
140/42 + 98/42 = 140 + 98/42 = 238/42 - 238/42 simplified gives 17/3
- So, 20/6 + 49/21 = 17/3
In mixed form: 52/3
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