Add 90/2 and 81/80
1st number: 45 0/2, 2nd number: 1 1/80
90/2 + 81/80 is 3681/80.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 80 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 2 × 40 = 80,
90/2 = 90 × 40/2 × 40 = 3600/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
81/80 = 81 × 1/80 × 1 = 81/80 - Add the two like fractions:
3600/80 + 81/80 = 3600 + 81/80 = 3681/80 - So, 90/2 + 81/80 = 3681/80
In mixed form: 461/80
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