Add 72/8 and 84/15
1st number: 9 0/8, 2nd number: 5 9/15
72/8 + 84/15 is 73/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 15 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 8 × 15 = 120,
72/8 = 72 × 15/8 × 15 = 1080/120 - Likewise, for the 2nd fraction, since 15 × 8 = 120,
84/15 = 84 × 8/15 × 8 = 672/120 - Add the two like fractions:
1080/120 + 672/120 = 1080 + 672/120 = 1752/120 - 1752/120 simplified gives 73/5
- So, 72/8 + 84/15 = 73/5
In mixed form: 143/5
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