Add 7/10 and 84/81
1st number: 7/10, 2nd number: 1 3/81
7/10 + 84/81 is 469/270.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 81 is 810
Next, find the equivalent fraction of both fractional numbers with denominator 810 - For the 1st fraction, since 10 × 81 = 810,
7/10 = 7 × 81/10 × 81 = 567/810 - Likewise, for the 2nd fraction, since 81 × 10 = 810,
84/81 = 84 × 10/81 × 10 = 840/810 - Add the two like fractions:
567/810 + 840/810 = 567 + 840/810 = 1407/810 - 1407/810 simplified gives 469/270
- So, 7/10 + 84/81 = 469/270
In mixed form: 1199/270
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