Add 4/9 and 5/8
4/9 + 5/8 is 77/72.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 8 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 9 × 8 = 72,
4/9 = 4 × 8/9 × 8 = 32/72 - Likewise, for the 2nd fraction, since 8 × 9 = 72,
5/8 = 5 × 9/8 × 9 = 45/72 - Add the two like fractions:
32/72 + 45/72 = 32 + 45/72 = 77/72 - So, 4/9 + 5/8 = 77/72
In mixed form: 15/72
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