Add 3/9 and 7/4
1st number: 3/9, 2nd number: 1 3/4
3/9 + 7/4 is 25/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 4 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 9 × 4 = 36,
3/9 = 3 × 4/9 × 4 = 12/36 - Likewise, for the 2nd fraction, since 4 × 9 = 36,
7/4 = 7 × 9/4 × 9 = 63/36 - Add the two like fractions:
12/36 + 63/36 = 12 + 63/36 = 75/36 - 75/36 simplified gives 25/12
- So, 3/9 + 7/4 = 25/12
In mixed form: 21/12
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