Add 80/2 and 5/90
1st number: 40 0/2, 2nd number: 5/90
80/2 + 5/90 is 721/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 2 × 45 = 90,
80/2 = 80 × 45/2 × 45 = 3600/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
5/90 = 5 × 1/90 × 1 = 5/90 - Add the two like fractions:
3600/90 + 5/90 = 3600 + 5/90 = 3605/90 - 3605/90 simplified gives 721/18
- So, 80/2 + 5/90 = 721/18
In mixed form: 401/18
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