Add 70/10 and 5/81
1st number: 7 0/10, 2nd number: 5/81
70/10 + 5/81 is 572/81.
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,
70/10 = 70 × 81/10 × 81 = 5670/810 - Likewise, for the 2nd fraction, since 81 × 10 = 810,
5/81 = 5 × 10/81 × 10 = 50/810 - Add the two like fractions:
5670/810 + 50/810 = 5670 + 50/810 = 5720/810 - 5720/810 simplified gives 572/81
- So, 70/10 + 5/81 = 572/81
In mixed form: 75/81
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