Add 90/81 and 6/80
1st number: 1 9/81, 2nd number: 6/80
90/81 + 6/80 is 427/360.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 80 is 6480
Next, find the equivalent fraction of both fractional numbers with denominator 6480 - For the 1st fraction, since 81 × 80 = 6480,
90/81 = 90 × 80/81 × 80 = 7200/6480 - Likewise, for the 2nd fraction, since 80 × 81 = 6480,
6/80 = 6 × 81/80 × 81 = 486/6480 - Add the two like fractions:
7200/6480 + 486/6480 = 7200 + 486/6480 = 7686/6480 - 7686/6480 simplified gives 427/360
- So, 90/81 + 6/80 = 427/360
In mixed form: 167/360
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