Add 28/10 and 72/15
1st number: 2 8/10, 2nd number: 4 12/15
28/10 + 72/15 is 38/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 15 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 10 × 3 = 30,
28/10 = 28 × 3/10 × 3 = 84/30 - Likewise, for the 2nd fraction, since 15 × 2 = 30,
72/15 = 72 × 2/15 × 2 = 144/30 - Add the two like fractions:
84/30 + 144/30 = 84 + 144/30 = 228/30 - 228/30 simplified gives 38/5
- So, 28/10 + 72/15 = 38/5
In mixed form: 73/5
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