Add 72/10 and 84/15
1st number: 7 2/10, 2nd number: 5 9/15
72/10 + 84/15 is 64/5.
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,
72/10 = 72 × 3/10 × 3 = 216/30 - Likewise, for the 2nd fraction, since 15 × 2 = 30,
84/15 = 84 × 2/15 × 2 = 168/30 - Add the two like fractions:
216/30 + 168/30 = 216 + 168/30 = 384/30 - 384/30 simplified gives 64/5
- So, 72/10 + 84/15 = 64/5
In mixed form: 124/5
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