Add 84/15 and 81/8
1st number: 5 9/15, 2nd number: 10 1/8
84/15 + 81/8 is 629/40.
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,
81/8 = 81 × 15/8 × 15 = 1215/120 - Add the two like fractions:
672/120 + 1215/120 = 672 + 1215/120 = 1887/120 - 1887/120 simplified gives 629/40
- So, 84/15 + 81/8 = 629/40
In mixed form: 1529/40
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