Add 30/72 and 7/9
30/72 + 7/9 is 43/36.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 9 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 72 × 1 = 72,
30/72 = 30 × 1/72 × 1 = 30/72 - Likewise, for the 2nd fraction, since 9 × 8 = 72,
7/9 = 7 × 8/9 × 8 = 56/72 - Add the two like fractions:
30/72 + 56/72 = 30 + 56/72 = 86/72 - 86/72 simplified gives 43/36
- So, 30/72 + 7/9 = 43/36
In mixed form: 17/36
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