Add 90/14 and 20/81
1st number: 6 6/14, 2nd number: 20/81
90/14 + 20/81 is 3785/567.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 81 is 1134
Next, find the equivalent fraction of both fractional numbers with denominator 1134 - For the 1st fraction, since 14 × 81 = 1134,
90/14 = 90 × 81/14 × 81 = 7290/1134 - Likewise, for the 2nd fraction, since 81 × 14 = 1134,
20/81 = 20 × 14/81 × 14 = 280/1134 - Add the two like fractions:
7290/1134 + 280/1134 = 7290 + 280/1134 = 7570/1134 - 7570/1134 simplified gives 3785/567
- So, 90/14 + 20/81 = 3785/567
In mixed form: 6383/567
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