Add 80/8 and 20/18
1st number: 10 0/8, 2nd number: 1 2/18
80/8 + 20/18 is 100/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 18 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 8 × 9 = 72,
80/8 = 80 × 9/8 × 9 = 720/72 - Likewise, for the 2nd fraction, since 18 × 4 = 72,
20/18 = 20 × 4/18 × 4 = 80/72 - Add the two like fractions:
720/72 + 80/72 = 720 + 80/72 = 800/72 - 800/72 simplified gives 100/9
- So, 80/8 + 20/18 = 100/9
In mixed form: 111/9
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