Add 81/2 and 63/90
1st number: 40 1/2, 2nd number: 63/90
81/2 + 63/90 is 206/5.
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,
81/2 = 81 × 45/2 × 45 = 3645/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
63/90 = 63 × 1/90 × 1 = 63/90 - Add the two like fractions:
3645/90 + 63/90 = 3645 + 63/90 = 3708/90 - 3708/90 simplified gives 206/5
- So, 81/2 + 63/90 = 206/5
In mixed form: 411/5
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