Add 4/9 and 72/5
1st number: 4/9, 2nd number: 14 2/5
4/9 + 72/5 is 668/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 5 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 9 × 5 = 45,
4/9 = 4 × 5/9 × 5 = 20/45 - Likewise, for the 2nd fraction, since 5 × 9 = 45,
72/5 = 72 × 9/5 × 9 = 648/45 - Add the two like fractions:
20/45 + 648/45 = 20 + 648/45 = 668/45 - So, 4/9 + 72/5 = 668/45
In mixed form: 1438/45
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