Add 72/5 and 20/9
1st number: 14 2/5, 2nd number: 2 2/9
72/5 + 20/9 is 748/45.
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,
72/5 = 72 × 9/5 × 9 = 648/45 - Likewise, for the 2nd fraction, since 9 × 5 = 45,
20/9 = 20 × 5/9 × 5 = 100/45 - Add the two like fractions:
648/45 + 100/45 = 648 + 100/45 = 748/45 - So, 72/5 + 20/9 = 748/45
In mixed form: 1628/45
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