Add 12/21 and 45/6
1st number: 12/21, 2nd number: 7 3/6
12/21 + 45/6 is 113/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 6 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 21 × 2 = 42,
12/21 = 12 × 2/21 × 2 = 24/42 - Likewise, for the 2nd fraction, since 6 × 7 = 42,
45/6 = 45 × 7/6 × 7 = 315/42 - Add the two like fractions:
24/42 + 315/42 = 24 + 315/42 = 339/42 - 339/42 simplified gives 113/14
- So, 12/21 + 45/6 = 113/14
In mixed form: 81/14
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