Add 70/18 and 80/90
1st number: 3 16/18, 2nd number: 80/90
70/18 + 80/90 is 43/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 18 × 5 = 90,
70/18 = 70 × 5/18 × 5 = 350/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
80/90 = 80 × 1/90 × 1 = 80/90 - Add the two like fractions:
350/90 + 80/90 = 350 + 80/90 = 430/90 - 430/90 simplified gives 43/9
- So, 70/18 + 80/90 = 43/9
In mixed form: 47/9
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