Add 70/30 and 45/81
1st number: 2 10/30, 2nd number: 45/81
70/30 + 45/81 is 26/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 81 is 810
Next, find the equivalent fraction of both fractional numbers with denominator 810 - For the 1st fraction, since 30 × 27 = 810,
70/30 = 70 × 27/30 × 27 = 1890/810 - Likewise, for the 2nd fraction, since 81 × 10 = 810,
45/81 = 45 × 10/81 × 10 = 450/810 - Add the two like fractions:
1890/810 + 450/810 = 1890 + 450/810 = 2340/810 - 2340/810 simplified gives 26/9
- So, 70/30 + 45/81 = 26/9
In mixed form: 28/9
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