Add 3/9 and 42/45
3/9 + 42/45 is 19/15.
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,
3/9 = 3 × 5/9 × 5 = 15/45 - Likewise, for the 2nd fraction, since 45 × 1 = 45,
42/45 = 42 × 1/45 × 1 = 42/45 - Add the two like fractions:
15/45 + 42/45 = 15 + 42/45 = 57/45 - 57/45 simplified gives 19/15
- So, 3/9 + 42/45 = 19/15
In mixed form: 14/15
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