Add 84/5 and 72/8
1st number: 16 4/5, 2nd number: 9 0/8
84/5 + 72/8 is 129/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 8 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 5 × 8 = 40,
84/5 = 84 × 8/5 × 8 = 672/40 - Likewise, for the 2nd fraction, since 8 × 5 = 40,
72/8 = 72 × 5/8 × 5 = 360/40 - Add the two like fractions:
672/40 + 360/40 = 672 + 360/40 = 1032/40 - 1032/40 simplified gives 129/5
- So, 84/5 + 72/8 = 129/5
In mixed form: 254/5
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