Add 90/5 and 81/8
1st number: 18 0/5, 2nd number: 10 1/8
90/5 + 81/8 is 225/8.
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,
90/5 = 90 × 8/5 × 8 = 720/40 - Likewise, for the 2nd fraction, since 8 × 5 = 40,
81/8 = 81 × 5/8 × 5 = 405/40 - Add the two like fractions:
720/40 + 405/40 = 720 + 405/40 = 1125/40 - 1125/40 simplified gives 225/8
- So, 90/5 + 81/8 = 225/8
In mixed form: 281/8
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