Add 12/5 and 30/9
1st number: 2 2/5, 2nd number: 3 3/9
12/5 + 30/9 is 86/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 9 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 5 × 9 = 45,
12/5 = 12 × 9/5 × 9 = 108/45 - Likewise, for the 2nd fraction, since 9 × 5 = 45,
30/9 = 30 × 5/9 × 5 = 150/45 - Add the two like fractions:
108/45 + 150/45 = 108 + 150/45 = 258/45 - 258/45 simplified gives 86/15
- So, 12/5 + 30/9 = 86/15
In mixed form: 511/15
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