Add 30/15 and 80/90
1st number: 2 0/15, 2nd number: 80/90
30/15 + 80/90 is 26/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 15 × 6 = 90,
30/15 = 30 × 6/15 × 6 = 180/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
80/90 = 80 × 1/90 × 1 = 80/90 - Add the two like fractions:
180/90 + 80/90 = 180 + 80/90 = 260/90 - 260/90 simplified gives 26/9
- So, 30/15 + 80/90 = 26/9
In mixed form: 28/9
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