Add 3/6 and 21/7
1st number: 3/6, 2nd number: 3 0/7
3/6 + 21/7 is 7/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 7 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 6 × 7 = 42,
3/6 = 3 × 7/6 × 7 = 21/42 - Likewise, for the 2nd fraction, since 7 × 6 = 42,
21/7 = 21 × 6/7 × 6 = 126/42 - Add the two like fractions:
21/42 + 126/42 = 21 + 126/42 = 147/42 - 147/42 simplified gives 7/2
- So, 3/6 + 21/7 = 7/2
In mixed form: 31/2
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