Add 12/9 and 42/45
1st number: 1 3/9, 2nd number: 42/45
12/9 + 42/45 is 34/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 45 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 9 × 5 = 45,
12/9 = 12 × 5/9 × 5 = 60/45 - Likewise, for the 2nd fraction, since 45 × 1 = 45,
42/45 = 42 × 1/45 × 1 = 42/45 - Add the two like fractions:
60/45 + 42/45 = 60 + 42/45 = 102/45 - 102/45 simplified gives 34/15
- So, 12/9 + 42/45 = 34/15
In mixed form: 24/15
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