Add 81/2 and 12/45
1st number: 40 1/2, 2nd number: 12/45
81/2 + 12/45 is 1223/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 45 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 2 × 45 = 90,
81/2 = 81 × 45/2 × 45 = 3645/90 - Likewise, for the 2nd fraction, since 45 × 2 = 90,
12/45 = 12 × 2/45 × 2 = 24/90 - Add the two like fractions:
3645/90 + 24/90 = 3645 + 24/90 = 3669/90 - 3669/90 simplified gives 1223/30
- So, 81/2 + 12/45 = 1223/30
In mixed form: 4023/30
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