Add 90/36 and 81/16
1st number: 2 18/36, 2nd number: 5 1/16
90/36 + 81/16 is 121/16.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 16 is 144
Next, find the equivalent fraction of both fractional numbers with denominator 144 - For the 1st fraction, since 36 × 4 = 144,
90/36 = 90 × 4/36 × 4 = 360/144 - Likewise, for the 2nd fraction, since 16 × 9 = 144,
81/16 = 81 × 9/16 × 9 = 729/144 - Add the two like fractions:
360/144 + 729/144 = 360 + 729/144 = 1089/144 - 1089/144 simplified gives 121/16
- So, 90/36 + 81/16 = 121/16
In mixed form: 79/16
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