Add 7/18 and 64/20
1st number: 7/18, 2nd number: 3 4/20
7/18 + 64/20 is 323/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 20 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 18 × 10 = 180,
7/18 = 7 × 10/18 × 10 = 70/180 - Likewise, for the 2nd fraction, since 20 × 9 = 180,
64/20 = 64 × 9/20 × 9 = 576/180 - Add the two like fractions:
70/180 + 576/180 = 70 + 576/180 = 646/180 - 646/180 simplified gives 323/90
- So, 7/18 + 64/20 = 323/90
In mixed form: 353/90
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