Add 7/2 and 4/9
1st number: 3 1/2, 2nd number: 4/9
72 + 49 is 7118.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 9 is 18
Next, find the equivalent fraction of both fractional numbers with denominator 18 - For the 1st fraction, since 2 × 9 = 18,
72 = 7 × 92 × 9 = 6318 - Likewise, for the 2nd fraction, since 9 × 2 = 18,
49 = 4 × 29 × 2 = 818 - Add the two like fractions:
6318 + 818 = 63 + 818 = 7118 - So, 7/2 + 4/9 = 71/18
In mixed form: 31718
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