Add 90/12 and 81/16
1st number: 7 6/12, 2nd number: 5 1/16
90/12 + 81/16 is 201/16.
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,
90/12 = 90 × 4/12 × 4 = 360/48 - Likewise, for the 2nd fraction, since 16 × 3 = 48,
81/16 = 81 × 3/16 × 3 = 243/48 - Add the two like fractions:
360/48 + 243/48 = 360 + 243/48 = 603/48 - 603/48 simplified gives 201/16
- So, 90/12 + 81/16 = 201/16
In mixed form: 129/16
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