Add 64/20 and 90/18
1st number: 3 4/20, 2nd number: 5 0/18
64/20 + 90/18 is 41/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 18 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 20 × 9 = 180,
64/20 = 64 × 9/20 × 9 = 576/180 - Likewise, for the 2nd fraction, since 18 × 10 = 180,
90/18 = 90 × 10/18 × 10 = 900/180 - Add the two like fractions:
576/180 + 900/180 = 576 + 900/180 = 1476/180 - 1476/180 simplified gives 41/5
- So, 64/20 + 90/18 = 41/5
In mixed form: 81/5
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