Add 4/5 and 7/9
4/5 + 7/9 is 71/45.
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,
4/5 = 4 × 9/5 × 9 = 36/45 - Likewise, for the 2nd fraction, since 9 × 5 = 45,
7/9 = 7 × 5/9 × 5 = 35/45 - Add the two like fractions:
36/45 + 35/45 = 36 + 35/45 = 71/45 - So, 4/5 + 7/9 = 71/45
In mixed form: 126/45
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