Add 12/90 and 80/30
1st number: 12/90, 2nd number: 2 20/30
12/90 + 80/30 is 14/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 30 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 90 × 1 = 90,
12/90 = 12 × 1/90 × 1 = 12/90 - Likewise, for the 2nd fraction, since 30 × 3 = 90,
80/30 = 80 × 3/30 × 3 = 240/90 - Add the two like fractions:
12/90 + 240/90 = 12 + 240/90 = 252/90 - 252/90 simplified gives 14/5
- So, 12/90 + 80/30 = 14/5
In mixed form: 24/5
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