Add 81/12 and 45/16
1st number: 6 9/12, 2nd number: 2 13/16
81/12 + 45/16 is 153/16.
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,
81/12 = 81 × 4/12 × 4 = 324/48 - Likewise, for the 2nd fraction, since 16 × 3 = 48,
45/16 = 45 × 3/16 × 3 = 135/48 - Add the two like fractions:
324/48 + 135/48 = 324 + 135/48 = 459/48 - 459/48 simplified gives 153/16
- So, 81/12 + 45/16 = 153/16
In mixed form: 99/16
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