Add 1/80 and 98/81
1st number: 1/80, 2nd number: 1 17/81
1/80 + 98/81 is 7921/6480.
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,
98/81 = 98 × 80/81 × 80 = 7840/6480 - Add the two like fractions:
81/6480 + 7840/6480 = 81 + 7840/6480 = 7921/6480 - So, 1/80 + 98/81 = 7921/6480
In mixed form: 11441/6480
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