Add 18/8 and 81/5
1st number: 2 2/8, 2nd number: 16 1/5
18/8 + 81/5 is 369/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 5 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 8 × 5 = 40,
18/8 = 18 × 5/8 × 5 = 90/40 - Likewise, for the 2nd fraction, since 5 × 8 = 40,
81/5 = 81 × 8/5 × 8 = 648/40 - Add the two like fractions:
90/40 + 648/40 = 90 + 648/40 = 738/40 - 738/40 simplified gives 369/20
- So, 18/8 + 81/5 = 369/20
In mixed form: 189/20
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