Add 25/2 and 81/90
1st number: 12 1/2, 2nd number: 81/90
25/2 + 81/90 is 67/5.
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,
25/2 = 25 × 45/2 × 45 = 1125/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
81/90 = 81 × 1/90 × 1 = 81/90 - Add the two like fractions:
1125/90 + 81/90 = 1125 + 81/90 = 1206/90 - 1206/90 simplified gives 67/5
- So, 25/2 + 81/90 = 67/5
In mixed form: 132/5
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