Add 18/20 and 70/18
1st number: 18/20, 2nd number: 3 16/18
18/20 + 70/18 is 431/90.
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,
18/20 = 18 × 9/20 × 9 = 162/180 - Likewise, for the 2nd fraction, since 18 × 10 = 180,
70/18 = 70 × 10/18 × 10 = 700/180 - Add the two like fractions:
162/180 + 700/180 = 162 + 700/180 = 862/180 - 862/180 simplified gives 431/90
- So, 18/20 + 70/18 = 431/90
In mixed form: 471/90
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