Add 80/18 and 40/12
1st number: 4 8/18, 2nd number: 3 4/12
80/18 + 40/12 is 70/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 12 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 18 × 2 = 36,
80/18 = 80 × 2/18 × 2 = 160/36 - Likewise, for the 2nd fraction, since 12 × 3 = 36,
40/12 = 40 × 3/12 × 3 = 120/36 - Add the two like fractions:
160/36 + 120/36 = 160 + 120/36 = 280/36 - 280/36 simplified gives 70/9
- So, 80/18 + 40/12 = 70/9
In mixed form: 77/9
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