Add 70/60 and 9/81
1st number: 1 10/60, 2nd number: 9/81
70/60 + 9/81 is 23/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 81 is 1620
Next, find the equivalent fraction of both fractional numbers with denominator 1620 - For the 1st fraction, since 60 × 27 = 1620,
70/60 = 70 × 27/60 × 27 = 1890/1620 - Likewise, for the 2nd fraction, since 81 × 20 = 1620,
9/81 = 9 × 20/81 × 20 = 180/1620 - Add the two like fractions:
1890/1620 + 180/1620 = 1890 + 180/1620 = 2070/1620 - 2070/1620 simplified gives 23/18
- So, 70/60 + 9/81 = 23/18
In mixed form: 15/18
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