Add 70/18 and 20/9
1st number: 3 16/18, 2nd number: 2 2/9
70/18 + 20/9 is 55/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 9 is 18
Next, find the equivalent fraction of both fractional numbers with denominator 18 - For the 1st fraction, since 18 × 1 = 18,
70/18 = 70 × 1/18 × 1 = 70/18 - Likewise, for the 2nd fraction, since 9 × 2 = 18,
20/9 = 20 × 2/9 × 2 = 40/18 - Add the two like fractions:
70/18 + 40/18 = 70 + 40/18 = 110/18 - 110/18 simplified gives 55/9
- So, 70/18 + 20/9 = 55/9
In mixed form: 61/9
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