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