Add 80/40 and 2/81
1st number: 2 0/40, 2nd number: 2/81
80/40 + 2/81 is 164/81.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 81 is 3240
Next, find the equivalent fraction of both fractional numbers with denominator 3240 - For the 1st fraction, since 40 × 81 = 3240,
80/40 = 80 × 81/40 × 81 = 6480/3240 - Likewise, for the 2nd fraction, since 81 × 40 = 3240,
2/81 = 2 × 40/81 × 40 = 80/3240 - Add the two like fractions:
6480/3240 + 80/3240 = 6480 + 80/3240 = 6560/3240 - 6560/3240 simplified gives 164/81
- So, 80/40 + 2/81 = 164/81
In mixed form: 22/81
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