Add 28/5 and 72/9
1st number: 5 3/5, 2nd number: 8 0/9
28/5 + 72/9 is 68/5.
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,
28/5 = 28 × 9/5 × 9 = 252/45 - Likewise, for the 2nd fraction, since 9 × 5 = 45,
72/9 = 72 × 5/9 × 5 = 360/45 - Add the two like fractions:
252/45 + 360/45 = 252 + 360/45 = 612/45 - 612/45 simplified gives 68/5
- So, 28/5 + 72/9 = 68/5
In mixed form: 133/5
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