Add 30/12 and 45/4
1st number: 2 6/12, 2nd number: 11 1/4
30/12 + 45/4 is 55/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 4 is 12
Next, find the equivalent fraction of both fractional numbers with denominator 12 - For the 1st fraction, since 12 × 1 = 12,
30/12 = 30 × 1/12 × 1 = 30/12 - Likewise, for the 2nd fraction, since 4 × 3 = 12,
45/4 = 45 × 3/4 × 3 = 135/12 - Add the two like fractions:
30/12 + 135/12 = 30 + 135/12 = 165/12 - 165/12 simplified gives 55/4
- So, 30/12 + 45/4 = 55/4
In mixed form: 133/4
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