Add 42/12 and 81/16
1st number: 3 6/12, 2nd number: 5 1/16
42/12 + 81/16 is 137/16.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 16 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 16 × 3 = 48,
81/16 = 81 × 3/16 × 3 = 243/48 - Add the two like fractions:
168/48 + 243/48 = 168 + 243/48 = 411/48 - 411/48 simplified gives 137/16
- So, 42/12 + 81/16 = 137/16
In mixed form: 89/16
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