Add 64/12 and 15/90
1st number: 5 4/12, 2nd number: 15/90
64/12 + 15/90 is 11/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 90 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 12 × 15 = 180,
64/12 = 64 × 15/12 × 15 = 960/180 - Likewise, for the 2nd fraction, since 90 × 2 = 180,
15/90 = 15 × 2/90 × 2 = 30/180 - Add the two like fractions:
960/180 + 30/180 = 960 + 30/180 = 990/180 - 990/180 simplified gives 11/2
- So, 64/12 + 15/90 = 11/2
In mixed form: 51/2
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