Add 42/12 and 84/48
1st number: 3 6/12, 2nd number: 1 36/48
42/12 + 84/48 is 21/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 48 is 48
Next, find the equivalent fraction of both fractional numbers with denominator 48 - For the 1st fraction, since 12 × 4 = 48,
42/12 = 42 × 4/12 × 4 = 168/48 - Likewise, for the 2nd fraction, since 48 × 1 = 48,
84/48 = 84 × 1/48 × 1 = 84/48 - Add the two like fractions:
168/48 + 84/48 = 168 + 84/48 = 252/48 - 252/48 simplified gives 21/4
- So, 42/12 + 84/48 = 21/4
In mixed form: 51/4
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