Add 84/40 and 80/81
1st number: 2 4/40, 2nd number: 80/81
84/40 + 80/81 is 2501/810.
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,
84/40 = 84 × 81/40 × 81 = 6804/3240 - Likewise, for the 2nd fraction, since 81 × 40 = 3240,
80/81 = 80 × 40/81 × 40 = 3200/3240 - Add the two like fractions:
6804/3240 + 3200/3240 = 6804 + 3200/3240 = 10004/3240 - 10004/3240 simplified gives 2501/810
- So, 84/40 + 80/81 = 2501/810
In mixed form: 371/810
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Related: 84/80+80/81