Add 12/5 and 64/90
1st number: 2 2/5, 2nd number: 64/90
12/5 + 64/90 is 28/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 5 × 18 = 90,
12/5 = 12 × 18/5 × 18 = 216/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
64/90 = 64 × 1/90 × 1 = 64/90 - Add the two like fractions:
216/90 + 64/90 = 216 + 64/90 = 280/90 - 280/90 simplified gives 28/9
- So, 12/5 + 64/90 = 28/9
In mixed form: 31/9
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