Add 80/12 and 10/90
1st number: 6 8/12, 2nd number: 10/90
80/12 + 10/90 is 61/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 90 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 12 × 15 = 180,
80/12 = 80 × 15/12 × 15 = 1200/180 - Likewise, for the 2nd fraction, since 90 × 2 = 180,
10/90 = 10 × 2/90 × 2 = 20/180 - Add the two like fractions:
1200/180 + 20/180 = 1200 + 20/180 = 1220/180 - 1220/180 simplified gives 61/9
- So, 80/12 + 10/90 = 61/9
In mixed form: 67/9
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