Add 18/9 and 70/90
1st number: 2 0/9, 2nd number: 70/90
18/9 + 70/90 is 25/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 9 × 10 = 90,
18/9 = 18 × 10/9 × 10 = 180/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
70/90 = 70 × 1/90 × 1 = 70/90 - Add the two like fractions:
180/90 + 70/90 = 180 + 70/90 = 250/90 - 250/90 simplified gives 25/9
- So, 18/9 + 70/90 = 25/9
In mixed form: 27/9
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