Add 1/80 and 84/81
1st number: 1/80, 2nd number: 1 3/81
1/80 + 84/81 is 2267/2160.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 81 is 6480
Next, find the equivalent fraction of both fractional numbers with denominator 6480 - For the 1st fraction, since 80 × 81 = 6480,
1/80 = 1 × 81/80 × 81 = 81/6480 - Likewise, for the 2nd fraction, since 81 × 80 = 6480,
84/81 = 84 × 80/81 × 80 = 6720/6480 - Add the two like fractions:
81/6480 + 6720/6480 = 81 + 6720/6480 = 6801/6480 - 6801/6480 simplified gives 2267/2160
- So, 1/80 + 84/81 = 2267/2160
In mixed form: 1107/2160
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