Add 63/4 and 18/12
1st number: 15 3/4, 2nd number: 1 6/12
63/4 + 18/12 is 69/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 12 is 12
Next, find the equivalent fraction of both fractional numbers with denominator 12 - For the 1st fraction, since 4 × 3 = 12,
63/4 = 63 × 3/4 × 3 = 189/12 - Likewise, for the 2nd fraction, since 12 × 1 = 12,
18/12 = 18 × 1/12 × 1 = 18/12 - Add the two like fractions:
189/12 + 18/12 = 189 + 18/12 = 207/12 - 207/12 simplified gives 69/4
- So, 63/4 + 18/12 = 69/4
In mixed form: 171/4
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