Add 18/20 and 70/36
1st number: 18/20, 2nd number: 1 34/36
18/20 + 70/36 is 128/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 36 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 36 × 5 = 180,
70/36 = 70 × 5/36 × 5 = 350/180 - Add the two like fractions:
162/180 + 350/180 = 162 + 350/180 = 512/180 - 512/180 simplified gives 128/45
- So, 18/20 + 70/36 = 128/45
In mixed form: 238/45
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